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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

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? 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

Gathering notes off various web pages across the web feels like it should be a simple process. Just scoot through your assorted pages, copy the text, graphics, images, and other elements that you want, paste them into your notes and you're all set. Of course, anybody who's ever actually tried to take notes online is… READ THE REST

If you're a coffee-lover, specifically, a lover of espresso, then you already know that picking up an espresso machine is not cheap. Those machines pressurize boiling water, then fire it at finely ground coffee beans for a richer, more caffeine-fueled result than your normal drip-brewed coffee. That specialization is why many won't pay for a… READ THE REST

Even if you're never broken out in a cold sweat at the thought of having to complete a problem, know this – math anxiety is 100% real. And we aren't just talking about 7-year-olds who suffer from stomach aches driven by their fear of math class. Turns out, even the anxiety of teachers who have… READ THE REST