Red dot sights are everywhere these days. Newer shooters might not even remember a time when they weren’t a readily available accessory for rifles, pistols, and shotguns. The truth is that red ...

The Green Party's new logo is an emoji. The federal party unveiled its new brand, a green dot, on Tuesday on Parliament Hill, possibly weeks before a snap federal election. "The great thing about ...

Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices, Hubei University of Arts and Science, Xiangyang, Hubei 441053, China ...

Quantum dots are crystals of a fluorescent semiconductor material with a diameter of as few as 10 to 100 atoms (2-10 nm). They are used as labels for imaging molecules because of their very narrow ...