Tag: Gravity

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Seeing the Invisible: A short history of the scientific evidence of dark matter

by Sasha Brownsberger figures by Abagail Burrus Everything you have ever touched, seen, or tasted; the air you breathe; the ground on which you stand; and the constituents of your body all consist of a type of matter that is only a fraction of all that is. In light of a series of unexpected discoveries over the past half century, astronomers and physicists have determined … Continue reading Seeing the Invisible: A short history of the scientific evidence of dark matter

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Galactic Rotation Curves Revisited: A Surprise For Dark Matter

Historically, galactic rotation curves have suggested that galaxies are surrounded by a vast amount of invisible matter, otherwise known as a dark matter halo. A few weeks ago, a team of astrophysicists published a result that completely contradicts these halo models and could even change the popular understanding of dark matter. The team found that galactic rotation curves can be calculated explicitly from a simple … Continue reading Galactic Rotation Curves Revisited: A Surprise For Dark Matter

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The Physics of Football

Every year, the NFL makes rule changes that affect team strategy and game outcomes. Some of these rules are designed to maintain the safety of players, while others are designed to increase the competitiveness of the game. However, there is one aspect of the game that the NFL can never change: the laws of physics. In the new series by Forbes Science, “Football Physics,” Chad Orzel … Continue reading The Physics of Football

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