Massachusetts-based amateur historian Jim Hamilton, who developed the Free Fall Research Page — an online database of nearly every imaginable human plummet, documents one case of a sky diver who, upon total parachute failure, was saved by bouncing off high-tension wires. Contrary to popular belief, water is an awful choice. Like concrete, liquid doesn’t compress. Hitting the ocean is essentially the…
Tag: Sidewalk
Why Do We Assume Extraterrestrials Might Want To Visit Us?
Avi Loeb, former chair of the astronomy department at Harvard University and who chairs the Board on Physics and Astronomy of the National Academies, writing at Scientific American: It is presumptuous to assume that we are worthy of special attention from advanced species in the Milky Way. We may be a phenomenon as uninteresting to them as ants are to us;…
Genesis of blue lightning into the stratosphere detected from ISS
Dark clouds, the smell of rain on a hot sidewalk, the flashes of intense light followed by a loud crackling and then a low, rolling thunder—who doesn’t love a good summer thunderstorm? We’ve all seen one, heard one, or been completely soaked by one. But how much do we really know about this weather phenomenon? Source: https://phys.org/news/2021-01-genesis-blue-lightning-stratosphere-iss.html…
Sidewalk Labs Plans To Spin Out More Smart City Companies
An anonymous reader quotes a report from VentureBeat: Alphabet’s Sidewalk Labs plans to spin out some of its smart city ideas into separate companies, CEO Daniel Doctoroff said today at Collision from Home conference. Doctoroff listed three potential companies: mass timber construction, affordable electrification sans fossil fuels, and planning tools optimized with machine learning and computation design. Last month, Sidewalk Labs…
Facebook and Twitter Remove Manipulated Video From Trump’s Accounts After DMCA Complaint
An anonymous reader quotes a report from The Verge: Facebook has removed a manipulated video posted on President Trump’s account after receiving a copyright complaint from the rights owners. The manipulated video shows a black toddler running away from a white toddler, with a CNN chyron reading “terrified toddler runs from racist baby.” The original video, which went viral last year,…