How much you need to eat: 1 or more servings a day. Dairy Products: Untreated Gravesâ disease can cause bone loss (which can lead to osteoporosis), but once Gravesâ disease is treated, you need calcium to rebuild those bones. Get plenty of calcium from dairy foods, such as cheese, milk, and yogurt.
Edison's  lamp became the first commercially successful incandescent lamp  (circa 1879). Edison received U.S. Patent 223,898 for his  incandescent lamp in 1880.    However, contrary to popular belief, Edison did not invent the  first lightbulb, he improved upon a 50-year-old idea. Canadians  Henry Woodward and Matthew Evans patented a light bulb in 1875, but  could not raise the financing to commercialize their invention.  Edison bought the rights to their patent.
Thomas Alva Edison was an American inventor, scientist and a businessman who invented the first practical bulb. He got the patent for his invention in 1879 in U. S. But records tell us that Joseph Swan, a British inventor got his invention for the same patented a year prior to Edison in Britain.he first light bulb was invented in 1809 by Sir Humphry Davy. He started working on his project in 1801. He ran electric current through two platinum rods which could not stay for long.