Have you ever wonder who invented CD player? We use it everyday but never thought about who invented this extremely useful machine. Can you think of a day without your favorite music or movie CDs? CD player has saved us from the inconvenience of heavy cassette players and old gramophones. Now life has become simpler [...]
This can be tricky question. In the time of telephone invention there were bunch of light bulbs for decades. So, light bulbs are older and invented before telephone. However tricky part is in patents. Alexander Graham Bell patented telephone in 1876, while Thomas Edison patented light bulb in 1879. That makes it three years after [...]