Physicists have found a clever way to detect the elusive Unruh effect without extreme accelerations. By using atoms that emit light cooperatively between mirrors, acceleration subtly shifts when a ...

Section 1. Purpose. Superiority in space is a measure of national vision and willpower, and the technologies Americans develop to achieve it contribute substantially to the Nation’s strength, security ...

Artemis 2 will be the first mission to carry humans to the moon's vicinity since 1972. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Artemis 2 ...