C (-459.67 °F), no heat energy remains. At absolute zero, particles stop moving all together. That's pretty cold! So what if ...

Absolute zero is the lowest theoretical temperature, which scientists have defined as minus 459.67 degrees Fahrenheit (minus 273.15 degrees Celsius). That's even colder than outer space. So far, ...

Near absolute zero, atoms stop acting like particles and start behaving like waves. In this ultracold world, scientists can ...