Twenty six seconds' worth of science: a cannonball floating in mercury!
(via Kottke)
Cannonball floating in mercury
Study demonstrates that anti-radiation phone stickers do nothing
Can stickers—as in adhesive- or magnetic-backed paper—block phone radiation? Not these ones, says the University of Surrey in England. The stickers are sold by a U.K. company, Energydots, to exploit the country's pitch into 5G conspiracy theories and mystic paranoia. The stickers are about $35 each, shipped; Energydots has also falsely claimed to be in… READ THE REST
Floating a foil boat on heavier-than-air gas
Others have done this demo, but this is a great recent example in a large tank full of sulfur hexafluoride. Their demonstration of its voice-lowering properties was not as good as some, though. Image: YouTube / Da Vinci TV READ THE REST
Is the human gaze a physical force?
Is the human gaze a physical force? It sure feels like it sometimes. Princeton University researchers scanned subjects' brains to gain insight into why we subconsciously interpret "other people's visual attention as an invisible, force-carrying beam projecting from the eyes." This isn't about the paranormal investigations into whether you can "feel" when someone is staring… READ THE REST
For Valentine's Day, this grandma will teach you real Italian cooking, one-on-one
As an expression of your innermost deeply held feelings, Valentine's Day should be one of the easiest holidays of the year. But as any husband, wife or significant other can attest, the Day of Love can actually end up being pretty darn stressful. Flowers, candies and the usual expressions of the day are incredibly played… READ THE REST
Zenva Academy offers over 250 courses of coding training that could change your life
There are a hundred different directions you could take a career in tech. You could become a cybersecurity expert or create video games. You could design and run cloud-based systems or build your own artificial intelligence. But, whether you want to do DevOps, web development, or even work a tech help desk, one skill is… READ THE REST
This true 1080p projector brings HD-quality video to your wall-sized picture
There's been one common complaint that's often a big reason that has kept most projectors in their conference room presentation niche and not breaking out into a true home entertainment showpiece. For all their claims of crystal clear, even HD-quality pictures, many models just can't quite serve up that 1080p resolution that will make home… READ THE REST