Lasers play a huge role in our lives – from eye surgery to CD players to dental drills. Maybe that's why they are considered to be one of the "101 Inventions That Changed the World". See how they work in this week’s “Top 5 Tech".
Lasers play a huge role in our lives – from eye surgery to CD players to dental drills. Maybe that's why they are considered to be one of the "101 Inventions That Changed the World". See how they work in this week’s “Top 5 Tech".