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.
The Gates' Mansion is a large mansion that overlooks Lake Washington in Medina, Washington. The 66,000-square-foot (6,100 m 2) mansion is noted for its design and the technology it incorporates.It is nicknamed Xanadu 2.0 after the title character's estate in Citizen Kane.any trees block much of the house from view from Lake Washington. The house was the result of a collaboration between Bohlin Cywinski Jackson Architects (based in Pennsylvania but with satellite offices in Seattle and San Francisco) and Cutler-Anderson Architects of Bainbridge Island, Washington.