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, ...

The LIGO gravitational wave observatory in the United States is so sensitive to vibrations it can detect the tiny ripples in space-time called gravitational waves. These waves are caused by colliding ...

Within quantum mechanics, there has been an observable limit (the quantum backaction limit) on how low you can cool an object experimentally. Up until very recently, that limit had not been challenged ...

Scientists have long been intrigued by the physics near absolute zero — the temperature 0° Kelvin, or -273.15°C, where particles reach the lowest possible amount of movement — ever since this limit ...

Absolute zero is often thought to be the coldest temperature possible. But now researchers show they can achieve even lower temperatures for a strange realm of "negative temperatures." Oddly, another ...

The absolute lowest temperature possible is -273.15 degrees Celsius. It is never possible to cool any object exactly to this temperature – one can only approach absolute zero. This is the third law of ...

Scientists cooled LEGOs to nearly absolute zero—and hope to one day incorporate a LEGO-style material into a quantum computer. Objects that transfer heat slowly form useful components in technologies ...

A team of physicists say they’ve managed to nearly freeze the motion of atoms across four suspended mirrors. It’s a mind-twisting feat that strains the very definitions of seemingly simple words like ...