4sevens

Shortly after the invention of the light bulb people began measuring brightness in terms of candle power. This has persisted for over 100 years, despite the fact that it's not a scientific...

Hi, I'm Mark Harris. I'm Team Leader for Product Intelligence at OpticsPlanet. I'm here today to talk to you about the Nanuk 910 Waterproof Case. You'll find a lot of...

MICHAEL CIMA: OK. Now this is important because-- let's consider lithium, where z equals 3 and three electrons. I know I got to put-- the first two are going to go down here, the lowest energy...