GPS, relativity, and nuclear detection

Published 12 years ago in Documentary. Submitted by Sebastien

GPS is just a big clock in space! (and it can detect nuclear explosions)
From MinutePhysics

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Biped robot riding a bicycle

Published 12 years ago in Weird. Submitted by Sebastien

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The Solar Cycle

Published 12 years ago in Documentary. Submitted by Sebastien

Although it may look unchanging from the ground, the sun actually has a long-term pattern of change called the sunspot cycle. During one cycle the number of sunspots, and solar activity, increases and then decreases again. This process is driven by the flipping of the sun's poles…
Read more…

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Mars in a Minute: Is Mars Really Red?

Published 12 years ago in Documentary. Submitted by Sebastien

Mars is often known as the "Red Planet,” but is it really red? This video answers one of the most frequently asked questions about our planetary neighbor.

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Working model of Stephenson's steam engine made of glass.

Published 12 years ago in Awesome. Submitted by Sebastien

This Model of Stephenson's Steam Engine was made in 2008 by master glassblower Michal Zahradník.

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