Ten random gadgets get tested, from Swiss Army knife upgrades and fire starters to an air-powered plunger, folding knife, ...

In this video, we fabricate the intake for the world's first 100HP mini jet boat. We test the jet boat intake with an 18V power drill, which works successfully. So far, we have swapped a jet ski ...

Specialized mini-jet engine manufacturers across Europe are increasing production and investing to avoid a supply shortage which threatens to halt?Ukraine?s rapid deep strike drone programme, at a ...

Screenshot from social media post of Ukrainian volunteers assembling a small cruise missile with a pulsating Trembita engine. Its task is to destroy objects and exhaust the enemy’s anti-aircraft ...