Overview Athletes who ski or snowboard practice for long hours to perfect motions that will earn points in competition, and rely on experts such as coaches and sports scientists to…
read moreOverview In the winter sport of ice hockey, players, sticks, and the puck all move at a rapid pace. Sports scientists know that the apparent chaos of the game is…
read moreOverview The Large Hadron Collider is currently the world’s largest particle accelerator. It is located on the border between Switzerland and France, started up in 2008 and shut down for…
read moreOverview Teleportation, or using the transporter, is a wonderful method of transportation in science fiction and fantasy. Wouldn’t it be great to avoid traffic jams and complicated connections by whisking…
read moreOverview Visible light is a small part of the electromagnetic spectrum, which extends from radio waves to gamma rays. All frequencies of the electromagnetic spectrum obey similar laws, so…
read moreOverview The matchup between NFC West Champion Seattle Seahawks and AFC East Champion New England Patriots promises thrilling gridiron action during Super Bowl XLIX. Behind the scenes, principles of math…
read moreOverview The fundamental types of force are gravity, electromagnetic, weak nuclear, and strong nuclear. All other forces, such as friction and centrifugal force, are special cases of those forces. Physicists…
read moreOverview Any spinning object rotates around a central point called an axis. Tops, dreidels, gyroscopes, and spinning eggs rotate, rise, and seem to defy gravity, as long as they are moving.…
read moreOverview According to theories of stellar evolution, most stars spend most of the time converting hydrogen to helium in various nuclear processes. After the supply of hydrogen is exhausted in…
read moreOverview The nuclear energy that powers stars depends upon the core temperature and the available fuel. During the main-sequence phase for most stars, nuclear fusion of 4 hydrogen atoms to…
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