So he used the opposite of a Galilean telescope to take the small beam of his 405-nanometer laser and increase its diameter. His best result was to explode a balloon at 150 feet (45 meters).

The undated image shows the U.S. Navy testing a weapon system known as HELIOS from the USS Preble destroyer in the middle of the ocean.

Switch between the unique powers of PISTOL, SHOTGUN, MACHINE GUN, and ROCKET to blast your enemy and declare victory! These laser blasters are ergonomically designed with a solid grip in your hand ...

Each pistol also features an accelerometer, I2S audio amp and speaker for game sounds, and WS2812 RGP LEDs for light effects. IR Lasers are used as emitters to target wearable IR receivers with ...