Nanoparticles containing lanthanide ions are excellent light emitters. The addition of organic molecules means that they can be activated using electric currents. These nanoparticles are excellent ...

The king penguin was spotted on the island of South Georgia, where the species gathers in the tens of thousands. A group of king penguins huddle together in a blizzard on the island of South Georgia.

There are a great many Lightsaber parts and components in Star Wars: Jedi Survivor, including Emitters, Switches, Grips, Pommels and more, and all can be mixed and matched with each other. On this ...