For centuries and centuries, people have tried to build or conceive of a perpetual motion machine, but science keeps telling us that such a thing isn’t possible. Now, some scientists seem to think it may be possible after all.
In the last few years, there have been some pretty tall Lego towers built, each one claiming the title of “world’s tallest”. How tall could you build a Lego tower before it’s crushed under it’s own weight? Pretty damn tall, actually. If you’re talking 2x2 bricks, you could get a tower over two miles high before the bottom Lego is destroyed.
Nanoscience has gotten the art of making microscopic motors down pretty well, but the previous record holder was a motor 200 nanometers across (a human hair is about 60,000 nanometers wide). This new electric motor, created by chemical engineers at Tufts University is only 1 nanometer wide, consisting of a single custom-built molecule.
Another day, another guy with an idea about how Stonehenge was built. Only this one makes quite a lot of sense
It seems every few months, some backyard historian or engineer comes up with some new idea of how ancient Britons moved gigantic stones into place with primitive technology. Usually these range from pretty out there and highly unlikely to “maybe, but it still sounds stupid”. But Gary Lavin, an engineer and former BBC presenter thinks he’s nailed it— they moved the stones to the site in giant wicker baskets.