"Fire in the hole!" shouts an engineer as a detonator sparks. A second later, the shockwave and the thunder–a close shave with the last sight some people ever saw. The video apparently depicts work on Indianapolis' sewer system.
WATCH: shockwave in a tunnel
Top ten emerging technologies of 2020
Scientific American shares its top ten list of emerging technologies identified by a group of experts they convened with the World Economic Forum. To make the list, they write, the technology "must have the potential spur progress in societies and economies by outperforming established ways of doing things" and be ready for prime time in… READ THE REST
Physicists make tiny model of Star Trek's USS Voyager that's smaller than a human hair
Researchers at Leiden University are developing methods to 3D print synthetic microswimmers, microscopic devices that can propel themselves by interacting with the chemicals in their surrounding environment. The physicists print microswimmers of different shapes to determine how that affects the devices' motion. Along with boats and geometric shapes, they recently printed a model of Star… READ THE REST
Cool demonstration of aerodynamic bearings
Spinning the plunger of a glass syringe quickly enough will cause the plunger to levitate, but why? Steve Mould takes a look at an interesting phenomenon and shows off a self-levitating disk made by a viewer. Tom Lipton shows how he made the contraption here: Image: YouTube / Steve Mould READ THE REST
The DeliverySafe is the ultimate foil for porch pirates and it could save your holidays
With everyone stuck in COVID quarantine for much of the year, online sales for Amazon and other retailers have gone through the roof. That means more and more packages coming right to your door, to the sheer delight of a more loathsome brand of COVID opportunist: the porch pirate. Thieves taking off with delivered packages… READ THE REST
Become a machine learning aficionado with this training bundle
In the past few days, the U.S. Air Force rolled out new tools fueled by machine learning to help stem the spread of misinformation about COVID. Additionally, the Library of Congress has launched a project on how to use machine learning to better cross-reference all 170 million items in its overflowing archives. Every day, we… READ THE REST
This portable USB charger can get an Apple Watch back to full power on the go
The Apple Watch is a great addition to any tech arsenal–until it runs out of juice, that is. Then, you have to go about the process of recharging. Of course, the Apple Watch only recharges via wireless charging, meaning it can sometimes end up being pretty inconvenient to power up, especially if you're out and… READ THE REST