This short film was produced by the film unit of the UK's National Physical Laboratory (NPL) in the 1950s, and explains the principles behind the first accurate atomic clock, which was designed by Louis Essen and built at the National Physical Laboratory in 1955. The NPL's YouTube channel has other videos of interest to science geeks. (thanks, obadiahlemon)
Excellent vintage film about the first accurate atomic clock
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
From sourdough pizza to vegan recipes, these master class courses can transform you into a serious chef and baker
What did you have for dinner last night? If your answer falls somewhere between leftovers, a sandwich, or a frozen pizza, it might be time to start getting serious about your culinary skills. While nobody is suggesting you start cranking out souffles or baked Alaskas every night, there's a whole world of food options out… READ THE REST
Cloud computing will remain one of 2021's biggest growth areas –this training explains it all
Every year, U.S. News and World Report compiles its Best Jobs list – and once again, the venerable news outlet has determined it's pretty great to be a network architect. For another year, the role of computer network architect is on their list of the top 10 technology jobs around, with an unemployment rate of… READ THE REST
Give your new smartphone some love with one of these wireless charging stations that are on sale
Did you get a new iPhone for Christmas? Or, maybe you splurged on a new smartphone with that infusion of holiday cash. Either way, your purchase isn't completed when you walk out with your new phone. Making sure you're equipped to keep that thing charged up 24/7/365 is just as important. Easier said than done… READ THE REST