As boring as propeller designs may seem to the average person, occasionally there’s a bit of a dust-up in the media about a ‘new’ design that promises at least a few percent improvement in performance ...

We’ll go out on a limb here and say that a large portion of Hackaday readers are also boat-builders. That’s a bold statement, but as the term applies to anyone who has built a boat, we’d argue that it ...

The final test was a blunt one. Maarten Logtenberg wielded a sledgehammer, which simply bounced off the sample, barely leaving a scratch. After two years of experimentation, the material was finally ...

As cool and wonderful as Lego is, those plastic bricks can be tricky to handle if you want to step up from mere constructive play into serious custom-built prototyping. UberBlox hopes to fill that gap ...

Red Cat says it plans to build fleets of 3D printed autonomous “drone boats” for on-demand delivery, which might the very first mass production of boats using AM.