A beautiful video of sound curiously affecting a stream of water, visible thanks to a camera recording at 24 frames-per-second. The speaker generates a 24 hz sine wave that vibrates the water while the camera recording at 24 fps make the stream appear to "freeze." (Thanks, Koshi!)
Video: water appears frozen in sine wave
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
Hypnotic timelapse of things drying out
Christian Stangl (previously here) turned a common process into a gorgeous abstract short film using macro footage of things as they dry out. Life needs water. But this fluid tends to evaporate over time into a gaseous state. Drying out is a chemical process that takes hours, days or even weeks. Without enough water the… READ THE REST
Get an unlocked iPhone 11 Pro for just $900
When happy revelers unwrapped a brand new smartphone under the Christmas tree last month, which model do you think was most often beaming back at those delighted giftees? If you thought it was likely the new flagship of the Apple iPhone fleet, the iPhone 12, you'd be incorrect. But only half incorrect – because the… READ THE REST
Get creating with this 3D printing starter bundle, now under $220
Every day, you hear another incredibly cool or incredibly inventive new use for 3D printing technology. Whether it's NASA successfully creating their own 3D printed rocket engine parts, Swedish researchers printing complex brain cell structures, or a Japanese retailer crafting hyper-realistic, creepy-as-all-heck face masks, 3D printing technology proves every day that its only limits are… READ THE REST
The AquaSprouts Garden creates a perfect life balance, right on your desktop
Sitting at a desk all day can get pretty boring. Slaving away at work tasks or squeezing a stress ball are ways to combat the sameness, but the best desk accessories can actually mentally transport you away from the humdrum for a moment. This is why we can wholeheartedly recommend being able to gaze in… READ THE REST