News tagged with einstein

A stream of superfluid light

Scientists have known for centuries that light is composed of waves. The fact that light can also behave as a liquid, rippling and spiraling around obstacles like the current of a river, is a much more recent finding that ...

dateJun 05, 2017 in Quantum Physics
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Video: How do we measure temperature?

We have a lot of confidence that we measure temperature accurately. But how do thermometers in the kitchen or doctor's office work? Thanks to the laws of thermodynamics, thermometers respond to heat moving from hot to cold ...

dateMar 28, 2017 in Other
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