The United States Constitution requires Senators to be at least 30 years of age. Age does not determine seniority in the Senate. As of October 18, 2015, 5 senators are in their 80s, 18 are in their 70s, 32 are in their 60s, 30 are in their 50s, 14 are in their 40s, and 1 is in his 30s. 1  The median age of currently serving Senators is 7009195864480000000â  62 years, 24 days.
No, it wasnât Thomas Edison. Light bulbs were in use long before Edison applied for the patent in 1879. British inventor Humphry Davy invented an incandescent light bulb in 1801 and created the âarc lampâ in 1809. In 1835, Scottish inventor James Bowman Lindsay demonstrated a constant electric light in Dundee.
The first electric light bulb was invented in 1809 by Humphrey Davy. It was perfected by Thomas Edison. It is one of the conveniences that changed the way we do things in everyday life. Incandescence is the emission of light when heated to a very high temperature. Incandescence bulb works on the same principle, when a filament is heated to a high temperature it produces light. The first electric light bulb was invented in 1809 by Humphrey Davy. It was perfected by Thomas Edison. It is one of the conveniences that changed the way we do things in everyday life.