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Cerebrum 3.0 Open Science Quiz finals

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Information about Cerebrum 3.0 Open Science Quiz finals
Education

Published on March 3, 2014

Author: mahendramohandas

Source: slideshare.net

Description

An Open Science Quiz conducted on 1st March 2014 at Tezpur Central University on the occasion of inSCignis 2k14, the Science Fest in the occasion of National Science Day.
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Cerebrum 3.0 Finals QM: Mahendra Mohan Das

Before we begin • Following the new tradition of displaying pi-charts of topic distribution before the beginning of a quiz; here is the pi-chart for today‟s quiz: Q.s related to science Q.s not related to science at all

The road to glory • • • • • • The Beta Test Initiation The Terminator Decoupling The Decoupling Fluctuation The Hesitation Ramification The Recombination Hypothesis The Nerdvana Annihilation 04 q 10 q 10 q 06 q 10 q 06 q • 0th question: Where are the names of the rounds taken from?

Universal rules for the quiz: • Quizmaster is God. And he doesn‟t play dice (used to play when he was a child). • Hints will be given like charity. But the same cannot be said about time. He has a train to catch. Plan accordingly. • Arguing with a sleep-deprived quizmaster is injurious to health. “Janhit mein jaari”.

The Beta Test Initiation Written round +10/0

• In the following image, some fictional account of some scientist/mathematicians are given on how they would express their love for someone. Identify them with their characteristic lines.

Safety slide

Answers:

A1) • The Five Fists of Science is a graphic novel showing X, his (real-life) friend Mark Twain and Bertha von Suttner combine forces to try to bring about world peace through superior firepower. They are soon confronted by dark forces led by the dastardly Y (X‟s real-life archrival), John Pierpont Morgan, Andrew Carnegie, and Guglielmo Marconi. The protagonists are shown in the cover of the book. • Identify X and Y.

X= Tesla, Y= Edison

The Terminator Decoupling Infinite bounce and pounce +10/0; +10/-5*w (pounce)

1) • Give BOTH the first two names. • • • • • 1) _____ _____, 1903 2) _____ _____, 1903 3) Irène Joliot-_____, 1935 4) Frederic Joliot-_____, 1935 5) Henry Labouisse, ex-director of UNICEF, 1965 • Exhaustive list, in a way.

Safety slide

Marie Curie, Pierre Curie. • Marie Curie – for Physics in 1903 and for Chemistry in 1911 • Her husband Pierre Curie – for Physics in 1903 • Their daughter Irène Joliot-Curie – for Chemistry in 1935 • Their son-in-law Frederic Joliot-Curie – for Chemistry in 1935 • Henry Labouisse, the husband of the Curies' second daughter Ève, for peace in 1965

2) • The character X lives a double life as a member of an all-animal espionage organization referred to as The OWCA ("Organization Without a Cool Acronym"). It was made a ____ because of the animal's striking appearance and the lack of public knowledge of the animal, which allowed the writers to make things up about the species. Critical reception for the character from both professionals and fans have been considerably positive. Many environmentalists also rated this TV series highly for spreading awareness among people about the existence of such an animal. • Identify X and FITB.

Safety slide

Perry the Platypus.

3) • • • • • • 1) P versus NP 2) The Hodge conjecture 3) The Riemann hypothesis 4) Yang–Mills existence and mass gap 5) Navier–Stokes existence and smoothness 6) The Birch and Swinnerton-Dyer conjecture • A) Name the seventh in the list. • B) What is this exhaustive list called? How is the seventh one different from the other six?

Safety slide

• A) Poincaré conjecture. • B) Millennium Prize Problems. • Six of the problems remain unsolved. The Poincaré conjecture was solved by Grigori Perelman, but he declined the award in 2010.

• 4) What is being shown?

Safety slide

Project Loon. • It is a research and development project being developed by Google with the mission of providing Internet access to rural and remote areas. The project uses high-altitude balloons placed in the stratosphere at an altitude of about 20 mi (32 km) to create an aerial wireless network with up to 3G-like speeds.

5) • Rheumatoid arthritis (RA) is an autoimmune disease that results in a chronic, systemic inflammatory disorder that may affect many tissues and organs, but principally attacks flexible (synovial) joints. It can be a disabling and painful condition, which can lead to substantial loss of functioning and mobility if not adequately treated. • Who, in the world of cricket, is the most famous person suffering from this disease?

Safety slide

Billy Bowden.

B1) • It is a medical condition characterized by a snapping sensation felt when a certain body part is flexed & extended. This may be accompanied by an audible snapping or popping noise and pain or discomfort. Pain often decreases with rest and diminished activity. • Athletes are at special risk for this due to repetitive and physically demanding movements; but it is named after another profession prone to such injuries. • What are we talking about?

6) • Question on the next slide.

• The person on the left (born 1900) won Nobel prize in physics in 1945 and has many famous theories (principles, equations, effects) in his name. • The person on the right (born 1913) won Nobel prize in 1989. • The person on the left humorously referred to the person on the right as his „imaginary part‟, due to similarity in their names; though it should have been the other way round. • Identify either.

Safety slide

• Left: Wolfgang Pauli • Right: Wolfgang Paul

7) • The X process or ammonia-soda process is the major industrial process for the production of soda ash, which was developed by Belgian industrialist Ernest X. The exploitation of his patents brought him considerable wealth, which he used for philanthropic purposes, including establishment of various educational institutions of higher studies. • What did he famously introduce/establish in 1911, which usually takes place every 3 years?

Safety slide

Solvay conference.

8) • These are baobab trees, mainly found in Madagaskar, which are considered to be thousands of years old, and are considered to be the oldest flowering plants. But these facts are difficult to verify due to a „structural difference‟ with other such trees. What?

Safety slide

• They don‟t grow annual rings, with which the ages of trees are determined. • Some trees produce faint growth rings, probably annually, but they are not reliable for aging specimens, because they are difficult to count and may fade away as the wood ages.

9) • Connect or put funda.

Safety slide

Magdeburg hemispheres. • They are a pair of large copper hemispheres with mating rims, used to demonstrate the power of atmospheric pressure. When the rims were sealed with grease and the air was pumped out, the sphere contained a vacuum and could not be pulled apart by teams of horses. • Pic 1: The original Magdeburg hemispheres and Guericke's vacuum pump. • Pic 2: Logo is inspired by this experiment. • Pic 3: Otto von Guericke.

10) “Now, a moon, a lover refulgent in flight, Sails the black silence's loneliest ellipse. Computers use __, the ________, when polite, Or gentle data for sad tracking aid at eclipse.” • These types of poems are very popular and handy while undergoing a practice called Piphilology. • What is piphilology?

Safety slide

• Piphilology comprises the creation and use of mnemonic techniques to remember a span of digits of the mathematical constant π.

B2) • The Method of loci is a mnemonic device introduced in ancient Roman and Greek rhetorical treatises. In basic terms, it is a method of memory enhancement which uses visualization to organize and recall information. In this technique the subject memorizes the layout of some building, or the arrangement of shops on a street, or any geographical entity which is composed of a number of discrete loci. • How do we better know this technique as?

A2) • Traveler's diarrhea is the most common illness affecting travelers. It is defined as three or more unformed stools in 24 hours passed by a traveler, commonly accompanied by abdominal cramps, nausea, and bloating. Its diagnosis does not imply a specific organism, but Escherichia coli is the most commonly isolated pathogen. • There are a number of colloquialisms for travelers' diarrhea, such as “Montezuma's revenge”, “Aztec two step”, “Pharaoh's Revenge”. • What is the Indian colloquialism for this disease?

Delhi belly.

The Decoupling Fluctuation Infinite bounce and pounce +10/0; +10/-5*w (pounce)

1) • Listen to the song carefully. • Identify the voice.

Safety slide

Stephen Hawking. • Keep talking. • Pink Floyd.

2) • Einstein‟s theory of relativity came up short when explaining the atomic and sub-atomic world. In the fifth Solvay Conference in 1927, Einstein's great rival in his quest to explain the nature of reality was Neils Bohr, who was championing a new branch of physics called 'quantum mechanics'. At its core, quantum theory said that at a fundamental level, everything was unpredictable; particles could be in more than one place at the same time and a cat in a box could be both alive and dead. • What did Einstein, disenchanted with Heisenberg's uncertainty principle, reply?

Safety slide

God does not play dice.

3) • Ammonium ferric citrate & potassium ferricyanide coated on paper/cloth was used to reproduce images. The result is a copy of the original image with the clear background area rendered dark and the image itself reproduced as a white line, making it difficult to alter or add new information to the document. • Which commonly used word is derived from this now-obsolete technology?

Safety slide

Blueprint.

4) • Roy J Glauber was awarded the 2005 Nobel Prize in Physics “for his contribution to the quantum theory of optical coherence”. In order to attend the ceremony, however, Glauber missed one of his „job‟s he has been doing for years in another prize distribution ceremony. • What job?

Safety slide

• For many years before winning his Nobel Prize, Glauber was familiar to audiences of the Ig Nobel Prize ceremonies, where he took a bow each year as "Keeper of the Broom," sweeping the stage clean of the paper airplanes that have traditionally been thrown during the event.

5) • It is a genus of rod-shaped, Gram-negative, non-sporeforming, predominantly motile enterobacteria with diameters around 0.8 to 1.5 µm, lengths from 2-5 µm, and peritrichous flagella. It was named after Daniel Elmer ____, an American veterinary pathologist; and not after the type of fish, as many people think. • What?

Safety slide

Salmonella.

B3) • Question on the next slide.

• These creatures can withstand temperatures from just above absolute zero to well above the boiling point of water, pressures about six times stronger than pressures found in the deepest ocean trenches, ionizing radiation at doses hundreds of times higher than the lethal dose for a person, and the vacuum of outer space. They can go without food or water for more than 10 years, drying out to the point where they are 3% or less water, only to rehydrate, forage, and reproduce; and is often called the toughest animal on the planet. • Name the creature.

• 6) Whose death letter was the signatory sending around?

• Hint, if needed.

Safety slide

7) • Jack Cover spent most of his career as a nuclear physicist who worked in aerospace and defense, including playing a significant role in supplying parts for NASA‟s Apollo project. In 1970 he diverted his research to finding a weapon that could incapacitate assailants without killing them. He received a patent for his design in 1974, and by 1980 Cover had sold the Los Angeles Police Department on using his new gadget to help apprehend violent suspects. • He named it after an invention by a Tom Swift, a legendary fictional inventor that inspired Jack. • What gadget?

Safety slide

TASER. • Acronym for “Thomas A. Swift‟s Electric Rifle”.

8) • What is being parodied in this The Simpsons episode?

Safety slide

Infinite monkey theorem.

9) • The Scoville scale, used for the measurement of something which is usually measured by a method that uses high performance liquid chromatography (HPLC). This identifies and measures the concentration of chemicals necessary for the scaling. • X topped the Scoville scale from 2007 until February 2012 with an average of 1 million SHU and an individual highest of 1.5mn. It was surpassed in February 2012 by Trinidad Moruga Scorpion with 2mn SHU, which in turn was surpassed by Carolina Reaper with 2.2mn SHU in 2013 and holds the record till date. • What does Scoville scale measure? Also, id X.

Safety slide

Our own ভ োট জলকীয়ো. • The Scoville scale is the measurement of the pungency (spicy heat) of chili peppers or other spicy foods.

10) • ‚ ‘ক’ই ‘খ’ৰ ভেমত পৰৰছছ...‛ • ক used to go to his friend গ’s house from the road via খ’s house. After his heart broke, he didn‟t take the ক-খ-গ route and instead took the ক-গ route. • The famous story “জযোৰমৰত‛ ends like: ৰিনছটোৰ অৰিচৰ কোমৰ ভেষত ৰোৰত ‘ক’ যোয় ‘গ’ৰ ঘৰলল তোচ ভখৰলবলল - ক-খ-গ পছেছৰ নহয়, সংৰিপ্ত ক-গ ভৰখোছৰই যোয় লৰো-লৰৰলক। কেোছটো মনত নপছৰ সিোয় যৰিও, ‘ক’ই জোছন, (Euclid I.20) - ___ ___ ___। • State the last line, which is proved in Euclid‟s Book 1, proportion 20? Also, who wrote the story?

Safety slide

• ৰি ুজৰ ৰযছকোছনো দুই বোহুৰ সমৰি তৃতীয় বোহুতলক ডোঙৰ। • Saurav Kumar Chaliha.

B4) • He wrote The Treatise on Demonstration of Problems of Algebra, in which the first known explanation of Pascal‟s triangle if found. He also explained Euclid‟s Parallel Postulate and discovered geometric algebra. Apart from these, he is also known for binomial theorem upto any power, saccheri quadrilateral, proposition of the heliocentric theory, Jalali calendar etc. • He, however, is not known to most of the people in the people in the world as a mathematician or an astronomer, but was famous in a totally different field. • Identify him or give his most famous work.

A3) • What is happening? • Put funda.

Peeing before going to space. • Russian astronauts have the unique tradition of urinating on the bus tire before going to space. After getting into their sokol suits and before reaching the launch pad, the bus stops and the crew pees on the tire. This tradition is supposed to have started with Gagarin.

The Hesitation Ramification Pick your pill +10/-5*n; +10/-10 (pounce)

Physics Chemistry Mathematics Medicine Astronomy Popular culture

• In 2007, X told the Hindustan Times, “The 2005 Nobel prize for Physics was awarded for my work, but I wasn‟t the one to get it. Each one of the discoveries that this Nobel was given for work based on my research.” X also commented on not being selected for the 1979 Nobel, "Steven Weinberg, Sheldon Glashow and Abdus Salam built on work I had done as a 26-year-old student. If you give a prize for a building, shouldn‟t the fellow who built the first floor be given the prize before those who built the second floor?" • Which famous Indian?

Safety slide

ECG Sudarshan.

• In 1938, a chemist of the Temmler company in Berlin synthesized a drug manufactured under the name Pervitin and publicly sold as a stimulant and drug for psychiatry. During WWII, it was used extensively by the Axis forces for its stimulant effects. From 1942, Adolf Hitler too received daily injections of this drug from his personal physician, Dr Theodor Morell. • The production, distribution, sale, and possession of this drug is now restricted or illegal in many jurisdictions. Its name became famous since 2008 for its relation to one of the co-founders of a multi-billion dollar company named Gray Matter Technologies. • Which drug?

Safety slide

Methamphatamine.

• Because of his prolific output, friends created the X number as a humorous tribute to X. An X number describes a person's degree of separation from X himself, based on their collaboration with him, or with another who has their own X number. X alone was assigned the X number of 0 (for being himself), while his immediate collaborators could claim an X number of 1, their collaborators have X number at most 2, and so on. While Natalie Portman has an X number of 5, Carl Sagan‟s X number is 4. There are other famous people with small X numbers. • What number?

Safety slide

Erdos number.

• This 1995 novel, for the most part set in Calcutta at some unspecified time in the future, is a medical thriller that dramatizes the adventures of apparently disconnected people who are brought together by a mysterious turn of events. • Whose life is this book loosely based on?

Safety slide

Sir Ronald Ross.

• A binary star is a star system consisting of two stars orbiting around their common center of mass. Kepler-16b is a Saturn-mass planet consisting of half gas and half rock and ice, and it orbits a binary star, Kepler-16, with a period of 229 days. • What was kepler-16 nicknamed, in reference to a fictional planet orbiting two suns, which resulted in one of the most iconic sunset scenes in the film industry?

Safety slide

Tatooine.

B5) • He was a co-investigator of the Indian cosmic ray experiment conducted on-board Space Shuttle Spacelab-3, and is a Principal investigator of Lunar samples. He later was appointed as the director of Physical Research Laboratory and gained even more fame as the Principal Scientific Investigator of Chandrayaan-1, India's first unmanned lunar probe, launched by the Indian Space Research Organisation (ISRO). Who?

• A concrete answer to this question was published by the Associated Press in 1988, which reported that a New York fish and wildlife technician named Richard Thomas had calculated the volume of dirt in a typical 25-30 foot long ______ burrow, and had determined that if the ______ had moved an equivalent volume of ___, it could move "about 700 pounds on a good day, with the wind at his back". • What was the question it was an answer to?

Safety slide

"How much wood would a woodchuck chuck if a woodchuck could chuck wood?"

A4) “Glenn T. Seaborg Lawrence Berkeley Laboratory, Berkeley California America” • What is so special about this old mailing address of Glenn Seaborg?

• Jeffrey Winters, writing in the January 1998 issue of Discover Magazine, made the following observation: • “Not only is Seaborg the first living scientist to have an element named after him, he‟s also the only person who could receive mail addressed only in elements: Seaborgium, Lawrencium (for the Lawrence Berkeley Laboratory where he still works), Berkelium, Californium, Americium.”

The Recombination Mega connect Hypothesis +10/0

Explanation • • • • • • Q1 relates to object no.1 Q2 relates to object no.2 Q3 & Q4 relates to object no.3 Q5 & Q6 relates to object no.4 Q7 & Q8 relates to object no.5 Q9 & Q10 relates to object no.6 +30/-20 +20/-10 +10/0 • All these 6 objects form the mega connect, which is exhaustive (till now). • Hint: The mega connect is not related to science, but the individual answers are.

1) The Institute of ____ Sciences is an American non-profit research institute, co-founded in 1973 by former astronaut Edgar Mitchell and investor Paul N. Temple. The institute conducts research on topics such as spontaneous remission, meditation, consciousness, alternative healing practices, consciousness-based healthcare, spirituality, human potential, psychic abilities, psychokinesis and survival of consciousness after bodily death.

2) • All parts of it can be drawn with a compass and straightedge. Its basic outline is a plain trefoil, which is three circles overlapping each other equally like in a triple Venn diagram with the overlapping parts erased. The diameter of the overlapping part is equal to half the radius of the three circles. Then three inner circles are drawn in with ⅔ radius of the original circles so that it is tangent to the outside three overlapping circles. • (contd.)

• A tiny circle in center has a diameter ½ of the radius of the three inner circles, and arcs are erased at 90°, 210°, and 330°. The arcs of the inner circles and the tiny circle are connected by a line. Finally, the ring under is drawn from the distance to the perimeter of the equilateral triangle that forms between the centers of the three intersecting circles. An outer circle of the ring under is drawn and finally enclosed with the arcs from the center of the inner circles with a shorter radius from the inner circles. • What is being described?

3) • In February 2013, its price suddenly shot up. It was sold at US$1600 an ounce, 40 times the price of gold. • It again came to news, when it was announced on 15th February this year that Sochi Olympic gold winners of the day will be given bonus medals of that material. • What material is being talked about?

4) • The picture shown is of an immigration form filled by some people while arriving at Honolulu. • Whose immigration form is this? Name the operator. OR, name the whole crew. • (bigger pic next slide)

• 5) Mark Gasson is a British scientist who pioneered developments in direct interfaces between computer systems and the human nervous system, is active in the research fields of implantable medical devices. • He is most widely known for his experiments in transmitting something into a human implant, and for the experiment he injected it into his own body, leading to his claim to be the first human infected with that. • What?

6) • One liner: • Little Boy was made with U-235 isotope. While on the other hand, for making Fat Man, some other element was used instead of uranium. Which element?

7) • The picture below shows a statue of the dancing Shiva, unveiled at X. The statue, symbolizing Shiva's cosmic dance of creation and destruction, was given to X by the Indian government to celebrate its long association with India. • Identify X.

• 8) Question on the next slide.

• ____ Man first appeared in Justice League of America # 46 (October 1966). He was a traveller from another universe and was ignorant or unconcerned about his effect on this Universe. When he came, the parallel worlds known as Earth 1 and Earth 2 began to merge in Warp space. • Because of his ____ body he could not touch positive material from our universe, at the risk of causing explosions. Dr. Fate also covered the bodies of Justice League with magic, so they do not explode on contact with the ____ Man. • FITB.

B6) • The X contest is annually held at Purdue University. The X is named after cartoonist X, the spirit of whose work inspires the contest's weird machines and crazy mechanism. His inventions became so widely known that Webster's Dictionary added “X” to its listing, defining it as “accomplishing by extremely complex, roundabout means what seemingly could be done simply.” Every year the contestants are given simple mundane tasks like watering a plant, washing a plate and so on. The winners are the guys who achieve this task in the most complicated way. • Identify X.

9) • A piece of wood, gifted by Royal Society, was taken to the International Space Station in May 2010 and was returned safely; which created headlines (might not be of many newspapers, but of many science magazines). • What was all this about? • (snapshot in the next slide)

10) V • was a Roman author, architect, and engineer during the 1st century BC perhaps best known for his multi-volume work entitled De Architectura. Based on geometry and human proportions in V‟s writings, W created the famous drawing X. It is accompanied by notes based on the work of V. • The first paragraph of the upper part reports V: “V, architect, puts in his work on architecture that the measurements of man are in nature distributed in this manner, that is: a palm is four fingers, a foot is four palms, a cubit is six palms, four cubits make a man, a pace is four cubits, a man is 24 palms, and these measurements are in his buildings”. • No need to identify V. Just tell me W and X.

Safety slide

1) The Institute of ____ Sciences is an American non-profit research institute, co-founded in 1973 by former astronaut Edgar Mitchell and investor Paul N. Temple. The institute conducts research on topics such as spontaneous remission, meditation, consciousness, alternative healing practices, consciousness-based healthcare, spirituality, human potential, psychic abilities, psychokinesis and survival of consciousness after bodily death.

2) • All parts of it can be drawn with a compass and straightedge. Its basic outline is a plain trefoil, which is three circles overlapping each other equally like in a triple Venn diagram with the overlapping parts erased. The diameter of the overlapping part is equal to half the radius of the three circles. Then three inner circles are drawn in with ⅔ radius of the original circles so that it is tangent to the outside three overlapping circles. • (contd.)

• A tiny circle in center has a diameter ½ of the radius of the three inner circles, and arcs are erased at 90°, 210°, and 330°. The arcs of the inner circles and the tiny circle are connected by a line. Finally, the ring under is drawn from the distance to the perimeter of the equilateral triangle that forms between the centers of the three intersecting circles. An outer circle of the ring under is drawn and finally enclosed with the arcs from the center of the inner circles with a shorter radius from the inner circles. • What is being described?

3) • In February 2013, its price suddenly shot up. It was sold at US$1600 an ounce, 40 times the price of gold. • It again came to news, when it was announced on 15th February this year that Sochi Olympic gold winners of the day will be given bonus medals of that material. • What material is being talked about?

Meteorite.

4) • The picture shown is of an immigration form filled by some people while arriving at Honolulu. • Whose immigration form is this? Name the operator. OR, name the whole crew. • (bigger pic next slide)

• 5) Mark Gasson is a British scientist who pioneered developments in direct interfaces between computer systems and the human nervous system, is active in the research fields of implantable medical devices. • He is most widely known for his experiments in transmitting something into a human implant, and for the experiment he injected it into his own body, leading to his claim to be the first human infected with that. • What?

Computer virus.

6) • One liner: • Little Boy was made with U-235 isotope. While on the other hand, for making Fat Man, some other element was used instead of uranium. Which element?

Plutonium.

7) • The picture below shows a statue of the dancing Shiva, unveiled at X. The statue, symbolizing Shiva's cosmic dance of creation and destruction, was given to X by the Indian government to celebrate its long association with India. • Identify X.

• 8) Question on the next slide.

• ____ Man first appeared in Justice League of America # 46 (October 1966). He was a traveller from another universe and was ignorant or unconcerned about his effect on this Universe. When he came, the parallel worlds known as Earth 1 and Earth 2 began to merge in Warp space. • Because of his ____ body he could not touch positive material from our universe, at the risk of causing explosions. Dr. Fate also covered the bodies of Justice League with magic, so they do not explode on contact with the ____ Man. • FITB.

9) • A piece of wood, gifted by Royal Society, was taken to the International Space Station in May 2010 and was returned safely; which created headlines (might not be of many newspapers, but of many science magazines). • What was all this about? • (snapshot in the next slide)

10) V • was a Roman author, architect, and engineer during the 1st century BC perhaps best known for his multi-volume work entitled De Architectura. Based on geometry and human proportions in V‟s writings, W created the famous drawing X. It is accompanied by notes based on the work of V. • The first paragraph of the upper part reports V: “V, architect, puts in his work on architecture that the measurements of man are in nature distributed in this manner, that is: a palm is four fingers, a foot is four palms, a cubit is six palms, four cubits make a man, a pace is four cubits, a man is 24 palms, and these measurements are in his buildings”. • No need to identify V. Just tell me W and X.

The Vitruvian Man; Da Vinci.

Fictions written by Dan Brown.

A5) • University of Victoria, British Columbia, Canada offers a course under Exercise Science, Physical and Health Education (EPHE), which provides the study of something/someone scientifically; and is a mixture of psychology, medicine, physics and various other sciences. • What is the course all about? • (screenshot in the next slide)

The Nerdvana Annihilation Bonus-cum-Differential round +5*(6-n)/0

B1) • It is a medical condition characterized by a snapping sensation felt when a certain body part is flexed & extended. This may be accompanied by an audible snapping or popping noise and pain or discomfort. Pain often decreases with rest and diminished activity. • Athletes are at special risk for this due to repetitive and physically demanding movements; but it is named after another profession prone to such injuries. • What are we talking about?

Dancer‟s hip.

B2) • The Method of loci is a mnemonic device introduced in ancient Roman and Greek rhetorical treatises. In basic terms, it is a method of memory enhancement which uses visualization to organize and recall information. In this technique the subject memorizes the layout of some building, or the arrangement of shops on a street, or any geographical entity which is composed of a number of discrete loci. • How do we better know this technique as?

Mind palace/ memory palace.

B3) • Question on the next slide.

• These creatures can withstand temperatures from just above absolute zero to well above the boiling point of water, pressures about six times stronger than pressures found in the deepest ocean trenches, ionizing radiation at doses hundreds of times higher than the lethal dose for a person, and the vacuum of outer space. They can go without food or water for more than 10 years, drying out to the point where they are 3% or less water, only to rehydrate, forage, and reproduce; and is often called the toughest animal on the planet. • Name the creature.

Tardigrades or water bear.

B4) • He wrote The Treatise on Demonstration of Problems of Algebra, in which the first known explanation of Pascal‟s triangle if found. He also explained Euclid‟s Parallel Postulate and discovered geometric algebra. Apart from these, he is also known for binomial theorem upto any power, saccheri quadrilateral, proposition of the heliocentric theory, Jalali calendar etc. • He, however, is not known to most of the people in the people in the world as a mathematician or an astronomer, but was famous in a totally different field. • Identify him or give his most famous work.

Omar Khayyam, Rubáiyát.

B5) • He was a co-investigator of the Indian cosmic ray experiment conducted on-board Space Shuttle Spacelab-3, and is a Principal investigator of Lunar samples. He later was appointed as the director of Physical Research Laboratory and gained even more fame as the Principal Scientific Investigator of Chandrayaan-1, India's first unmanned lunar probe, launched by the Indian Space Research Organisation (ISRO). Who?

Jitendra Nath Goswami.

B6) • The X contest is annually held at Purdue University. The X is named after cartoonist X, the spirit of whose work inspires the contest's weird machines and crazy mechanism. His inventions became so widely known that Webster's Dictionary added “X” to its listing, defining it as “accomplishing by extremely complex, roundabout means what seemingly could be done simply.” Every year the contestants are given simple mundane tasks like watering a plant, washing a plate and so on. The winners are the guys who achieve this task in the most complicated way. • Identify X.

Rube Goldberg Machine Contest.

Brickbats and bouquets at • Facebook: http://www.facebook.com/mahendra.mohandas • e-mail: mohandas.mahendra@gmail.com • Slideshare: http://www.slideshare.net/mahendramohandas

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