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Reaction_version5

Reaction_version5

http://www.bbc.co.uk/science/humanbody/sleep/sheep/reaction_version5.swf

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Galileo Drops the Ball - Virtual Experiment In around 1590 Galileo Galilei (1564-1642) climbed up the Leaning Tower of Pisa and dropped some balls to the ground. Two balls of different masses, but of similar shape and density that were released together hit the ground at the same time. Until then it was commonly believed that heavy things fall faster than light things. Many people still believe this, and casual observation of everyday phenomena often does tend to confirm this view. If you drop a brick and a feather at the same time the brick will probably hit the ground first. award entry - androp Bell This is an interactive music video game for the song "Bell" by the Japanese band "androp". “Bell” sings about expressing emotions and difficulty in communications. As we listened to this upbeat track, some keywords such as ‘words’ ‘future’ ‘run’ stood out from the lyrics. These words led us to think of a visual experience around the theme of ‘delivering a message’. These days, communications are established so easily using technologies such as mobile phone, email, Twitter, etc. But is there something that’s getting lost in this rapid & speedy communication?

Russia meteor virtually impossible to see coming Scientists have begun piecing together the characteristics of the meteor that exploded over Russia on the morning of February 15, using data from seismic instruments that track earthquakes and microphones designed to detect sonic booms from nuclear explosions. Unlike the asteroid DA14, which narrowly but predictably missed Earth later that day, the meteor was too small to detect before its contrail appeared in the dawn skies over the Russian city of Chelyabinsk. Yet even an object too small to detect can produce an impressive amount of destruction. The meteor was 15 meters across (compared with 50 meters for 2012 DA14) and weighed more than 7,000 metric tons when it entered Earth’s atmosphere, says Margaret Campbell-Brown, an astronomer at Western University in London, Ontario. Coincidentally, the largest observed meteor to enter the atmosphere since 1908 arrived just hours before a much larger object passed the planet uneventfully at a distance of about 27,000 kilometers.

THEREMIN - A Touch Friendly Synthesizer ✖Update: 7 February 2014 Thanks to everyone for sharing! Over 100,000 people have played on the theremin in the last 3 days which is absolutely amazing. Due to a large number of requests, we've began working on a record function as well as an offline version of the app which will be available soon. Feel free to either subscribe at the bottom of the page or follow us on Facebook & Twitter for updates and future toys. More info Curvy in HTML5 Curvy is a HTML5 puzzle game using the canvas element. Just rotate the tiles so that like colors connect. Modernizr tells me you don't have canvas support in your browser. Sadly, this game uses technology that's only in browsers with HTML5 support. Force and Motion Facts Motion makes the world go 'round. Motion makes the moon go 'round too. In fact, motion makes lots of things go. When we think of motion we often think of cars, bicycles, kids running, basketballs bouncing and airplanes flying. But motion is so much more. Motion is important to our lives and impacts so many things that we do.

Who invented the toothbrush? — Ask HISTORY Looking for an innovative dental hygiene enthusiast to thank next time you polish your pearly whites? Turns out it’s not that simple. People have been cleaning their teeth for millennia, starting with the ancient Egyptians, who are thought to have scrubbed their choppers with a special powder made from ox hooves and eggshells as far back as 5000 B.C. The Romans opted for sticks with frayed ends, while the Greeks used rough cloths.

The American Indian Souvenir Playing Cards, ca. 1900. “Fifty-three of the best photographs of the homes and faces of the Pueblo Indians, taken in the last few years by A. C. Vroman of Pasadena, are ingeniously arranged and excellently reproduced for The American Indian Souvenir Playing-Cards; and a zarape in colors illuminates the back of each card. It is a handsome and typical collection. Lazarus & Melzer, Los Angeles, $1.” –Advertisement from The Land of Sunshine: The Magazine of California and the West (Volume XIII, June-December, 1900). Logic Games Online - Netwalk In the game of Netwalk, you are a network administrator, and someone has scrambled your network. Your job is to rotate all the pieces so that every computer is connected to the server by pipes and there are no lose ends in your network. Of course, the less work you need to do to complete your network the better, so Netwalk is scored by the number of clicks it takes you to rotate everything into place.

A Beginner's Guide to Go Go is a two-player, abstract, "perfect information" strategy game in which players take turns placing white and black stones on a square grid. Go was probably invented in China about 4000 years ago. Go later spread to other parts of Asia, arriving in Japan in the 7th century A.D. In ancient China, Go was one of the four skills considered essential for an educated person. Unlike Chess, Go exercises both the left and right sides of the brain. Motion: Forces Forces are a big part of physics. Physicists devote a lot of time to the study of forces that are found everywhere in the universe. The forces could be big, such as the pull of a star on a planet.

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