It combines a ballistics calculator, a rangefinder, and a rifle scope all in a powerful ... haul around and switch between. Instead of a scope, a laser rangefinder, a Kestrel, and a dope chart ...

he noticed these new laser tag guns were really cool. These Light Strike guns have an impressive array of electronics for a $30 toy, but there was still much to be desired. [Brad] decided to ...

This is what led [Dirk] to create human-powered, battery-free laser guns with software to track and display hits. In the image above, red laser hits on the target are detected and displayed on the ...