Should you ever be captured while checking out a crazed villain's secret headquarters, it's entirely possible that a burning laser might provide you with your only means of escape. Of course, anything ...

To burn or write in the air, the pen emits high-intensity laser pulses to create ionized gas or plasma. In turn, this emits energy in the form of light. The pulses are brief, just femtoseconds, and ...

Scientists at Hongtuo Joint Laboratory in Wuhan, China, have invented what sounds like a mysterious yet fascinating laser pen that can write in mid-air — an intriguing approach that could, ...