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 ...

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 ...

It is never too early to start making, as one 12-year-old tinkerer has proved this week by releasing details of a 3D printer they have created using a LEGO Mindstorms EV3 kit and a low-cost 3D ...