Can a cucumber be a light bulb? Why do fireworks light up in different colors? And how do sparklers actually work? The first VISTA Christmas Science Show for you to watch.
Quantum computers like really low temperatures. That's why it's down to -273 degrees Celsius in the laboratory of Andrea Hofmann, a physicist in Klosterneuburg. That's colder than in outer space! But why is that?
Blowing out birthday candles is really easy. But how much distance is needed to ensure that no viruses land on the cake? But is it still possible to blow out candles from a distance of 3 meters?
