This image was lost some time after publication, but you can still view it here.

The defense industry is taking a page from the Batman School of War and making products with more of a boomerang shape. In this case, the Phantom Sentinel, an unmanned aerial vehicle that's not only shaped like a boomerang, but "is in constant motion" and "has a uniquely minimal cross section allowing it to 'slice' through even the most adverse weather conditions".

Advertisement

Great for both seeing what the local population is up to without being detected and a relaxing day at the park.

'Invisibile' Boomerang 'Bot [Defensetech]