Random keyboard shortcuts

I don’t know about you, but I’m more of a keyboard user than a mouse user. I can navigate a computer much faster with a keyboard. This is why I’m really big on keyboard shortcuts. I’m not just talking about Copy (Ctrl/Cmd+C) and Paste (Ctrl/Cmd+V). Here’s a random sample of keyboard shortcuts that can make your life easier. Windows 7 …

DO NOT try these at home!

Chemical reactions can be so fun. For example, Mg + HCl: Sodium, potassium, rubidium, and caesium are known as Alkali metals. They can be found on the leftmost column of the Periodic Table. These elements are extremely reactive since they only have one electron to lose. This is the reaction of rubidium, then caesium, in water: If you have any …