Red dot sights have become very popular on rifles, pistols, and shotguns. But red dot sights have not been around all that long. In 1974, Aimpoint introduced the first red dot sight and their ...

Imagine this: You’re excited to start your first diamond painting project, but the kit arrives, and—disaster! The drills don’t fit properly, the canvas symbols are blurry, and half the diamonds are ...

Now, nuclear spins around a gallium arsenide quantum dot have been used as a many-body quantum memory register. The addition of magnetic dopants to semiconductor quantum dots can enhance the ...