Defense tech startup Blue Halo makes lasers that shoot drones out of the sky. This is how it got the Army to buy them.
Blue Halo is now delivering its Palletized High Energy Laser (P-HEL) system to the Army, enabling them to blast drones out of ...
The Star7d
'A spectacular sight', rare sun halo seen in skies across Singapore
A sun halo forms when sunlight interacts with ice crystals in the atmosphere. These crystals are from thin clouds so high in the sky that they are made of ice rather than water droplets.