X-rays and their uses. X-rays are one type of electromagnetic radiation. They are commonly used in hospitals to produce photographs of bones which can be checked for breaks or fractures. X-rays have the following properties: they can penetrate less dense matter such as skin and body tissue (but not bone)
The historic Glensheen Mansion, along London Road in Duluth MN, was built for Chester Congdon and his family. Chester Congdon went from being a school teacher in Wisconsin to being the wealthiest Minnesotan at the time of his death in 1916, worth 40 million dollars.
Playboy Mansion sold for $100 million. The Playboy Mansion has sold for $100 million. That's about half of Hugh Hefner's original asking price, although it's still enough to make it the most expensive home ever sold in Los Angeles. The purchase price was disclosed by buyer Daren Metropoulos, 33, the co-owner of Twinkies maker Hostess. He has lived next door to the Playboy mansion since 2009.