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.
Biltmore Estate. Known as America's largest home, Biltmore Estate is the stunning 250-room retreat of George and Edith Vanderbilt that was completed in 1895. Situated in the beautiful Blue Ridge Mountains, the estate is open to the public. For the price of admission, you can embark on a self-guided tour of the Biltmore House & Gardens, taste top-tier wine or tour the winery, and enjoy a little history at the newest exhibition, The Vanderbilts at Home and Abroad..