Today, 40 years ago first public call with a cellphone was made. The cellphone weighed 2,5 pounds (1,1kg) and when it hit the market it would cost you little short of $4,000.
Lime scale is often found as a similar deposit on the surface of pipes and other surfaces where "hard water" has evaporated. In this lesson I will show you how to clean it.
Spectacular real time footage of a full moon rising over the Mount Victoria Lookout in Wellington, New Zealand. Treat yourself with a couple of minutes of nature's finest.
Is there a mouse out there, that supports multi-touch gestures which make the Windows 8 experience on a non-touch screen computer or laptop better? Please share your thoughts and mice.
I'll show you the basic usage of IF function in Google Drive Spreadsheet. The IF function returns one value if a specified condition evaluates to TRUE, or another value if it evaluates to FALSE.