Cary Huang's amazing Scale of the Universe animation has been updated—now with a better format, extra background information about the objects whose sizes are being compared, and more opportunities to blow your mind. "Holy sh$#! The Grand Canyon is bigger than Rhode Island?"
An LCD pixel and a grain of sand are roughly the same size
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
Get a 3-pack of nylon braided USB-C cables that are built to last, now at over 60% off
Considering a new smartphone requires years of development and can set you back up to $1,400, you'd think manufacturers would pay a little more attention to the means for powering up those devices. Yet, while phone technology continues to march forward, most charging cables are fragile, prone to frays and breaks, and are practically disposable.… READ THE REST
Wanna keep the car in the garage? This sale on personal scooters can get it done
From their compact size, to their simple maintenance, to their tiny carbon footprints, there are a ton of compelling reasons to consider using a personal scooter. Sure, they make a short trip of even up to a few miles around your neighborhood incredibly easy. But, if you really want a good reason to pull the… READ THE REST
The Motorola Focus89 security camera helps you monitor your home from anywhere
After years of improvements, home security cameras have truly become must-own technology. Setting up in-home cameras, syncing them to your smartphone and other devices, and having 24/7/365 access to check out anything happening within the camera's field of vision is not only peace of mind that any homeowner needs, but it's also become incredibly cost-effective… READ THE REST