A Dec. 4 Instagram post (direct link, archive link) shows an image of Earth from space. Earth's atmosphere is labeled "pressurized gas," while outer space is labeled "infinite vacuum." A third label ...

Air engines are a common occurrence here on Hackaday. They’re relatively novel and reasonably easy to 3D print without requiring any fluids or supporting machinery. For example, [Tom Stanton] took a ...

The claim: Earth isn't curved or moving; air pressure couldn't exist 'without a container' Some social media users are sharing a meme that claims to present evidence that Earth is flat instead of ...

[3DPrintedLife aka Andrew DeGonge] saw that advert for gatorade that shows some slick stop-motion animation using a so-called ‘liquid printer’ and wondered how they built the machine and got it to ...