A University of San Diego (USD) professor has just published The Good Drone: How Social Movements Democratize Surveillance. He tells a local newspaper that drones (as well as other aerial technologies like balloons, satellites, and even kites) actually help effect social change. “That was my litmus test,” Choi-Fitzpatrick continues. “Can I, or other people like…
SpaceX’s Starlink Satellites Accused of ‘Photo-Bombing’ Shots of Comet Neowise
“Comet Neowise has been the brightest and most visible space snowball in a generation, but it’s also the first naked-eye comet to visit us in the new era of satellite mega-constellations like SpaceX’s Starlink,” writes CNET. “In just the latest episode of Starlink ‘trains’ irritating astronomers, a number of images have been circulating of the…
Simple Plasma Cutter Collision Detection System
Machine tools often have powerful drive motors, allowing them to work quickly and accurately to get the job done fast. However, this can cause major damage if the tool head collides with an unexpected object. To protect against such occurances, [Xnaron] developed a simple system to shut down his plasma cutter in the event of…
People Think CPR is More Effective Than It Really Is, Study Finds
Long-time Slashdot reader schwit1 shared this article from HealthDay: In earlier studies, patients have pegged CPR survival rates at between 19% and 75%. But the real rate of survival is about 12% for cardiac arrests that occur outside hospitals and between 24% and 40% for those that happen in the hospital, according to the report…
‘Meow’ Attack Has Now Wiped Nearly 4,000 Databases
On Thursday long-time Slashdot reader PuceBaboon wrote: Ars Technica is reporting a new attack on unprotected databases which, to date, has deleted all content from over 1,000 ElasticSearch and MongoDB databases across the ‘net, leaving the calling-card “meow” in its place. Most people are likely to find this a lot less amusing than a kitty…
Bill Gates Has a Message For Conspiracy Theorists
In an interview with CNN, billionaire philanthropist Bill Gates responded to his prominence in anti-vaccine conspiracy theories that have spread online: CNN: There are 16,000 Facebook posts espousing conspiracy theories about you and the virus… They’re liked or commented on 900,000 times. On YouTube the top 10 videos that spread lies about you had almost…
Giant Waves of Sand Are Moving On Mars
“Researchers have spotted large waves of martian sand migrating for the first time,” reports Science magazine. “The discovery dispels the long-held belief that these ‘megaripples’ haven’t moved since they formed hundreds of thousands of years ago. They’re also evidence of stronger-than-expected winds on the Red Planet.” It’s pretty staggering that humans can detect these changes…
The best meal kit delivery service for 2020: Home Chef, Sun Basket, Blue Apron and more – CNET
These convenient meal kit services deliver weekly menus and preportioned ingredients to enthusiastic but time-poor home cooks. And with shelter-in-place lockdowns, they’re more useful than ever. …read more Source:: CNet
This 2K webcam is your $32 social distancing antidote – CNET
Save 20% on a QHD webcam with dual microphones, exposure correction and noise reduction. …read more Source:: CNet
ESP8266 Makes a Wireless Card Reader
You can find commercial USB sticks that can also connect via WiFi. But [Neutrino] made his own using an ESP8266 married to a card reader. It all starts with the old trick of soldering a header to an SD card adapter. The USB port is still there, but it is only for power. A 3.3…
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