One ruler is cooled to liquid nitrogen temperature and another is left at room temperature. The two rulers are compared to show that the cooled ruler has contracted. This demonstration requires ...

This summer has been hot—one of the hottest on record—and it's probably just going to keep getting hotter. I feel like we are getting to the point where air-conditioning isn't just something nice to ...

Water in an aluminum pop can is heated on a hot plate. When sufficiently hot, inverting the can and immersing the opening in cold water will cause the can to collapse inwards. Hot water vapour cools ...

NASA’s Cold Atom Lab, a first-of-its-kind facility aboard the International Space Station, has taken another step toward revolutionising how quantum science can be used in space. Members of the ...