While most of us will never fight crime with an arsenal of custom gadgets, we could build our own net shooter to foil pesky coworkers who just want to use the copier. Constructed mostly of PVC pipe, ...

Suspicious drones hovering about your property? Burglars or other ne’er-do-well test subjects giving you trouble? Need to catch a dog that keeps meandering through your workshop? [William Osman] ...