NASA selects 16 futuristic space technology concepts

NASA has selected 16 cool new futuristic space technology concepts for further study. Four of them are from NASA’s own Jet Propulsion Laboratory (JPL), including a railway system on the moon to move cargo. Source: https://earthsky.org/space/futuristic-space-technology-concepts-nasa-jpl-niac…

Cosmic ray originated in cataclysmic event

Astronomers found a high energy neutrino – a cosmic ray – that apparently originated during a “tidal disruption event,” that is, when a supermassive black hole shredded a distant star. Source: https://earthsky.org/space/origin-cosmic-ray-when-black-hole-shreds-star…

YouTube TV To Launch Option for 4K and Unlimited Streams

YouTube outlined a string of new features coming to the internet’s biggest video platform, including enhancements to YouTube TV and the rollout next month in the U.S. of YouTube Shorts — its tool for creating short-form vertical videos a la TikTok. From a report: YouTube TV, Google’s pay-TV service, will introduce an add-on option that will let subscribers watch shows in…

Elon Musk Admits Tesla Has Quality Problems

In an interview on Tuesday, Tesla CEO Elon Musk sat down with one of Tesla’s harshest critics, Sandy Munro, and discussed the issues that plagued early Model 3s. CNN reports: In early 2018 engineering consultant Sandy Munro, who tears apart and reverse-engineers cars to assess quality, issued a brutal appraisal of the Model 3 citing “flaws that we would see on…

Vertical Farms Grow Veggies On Site At Restaurants and Grocery Stores

New Atlas reports on ag-tech company Vertical Field’s efforts to produce soil-based indoor vertical farms grown at the very location where food is consumed. From the report: The Vertical Field setup retains many of the advantages of hydroponic vertical farms, but instead of the plants growing in a nutrient-packed liquid medium, the container-based pods treat their crops to real soil, supplemented…

Ask Slashdot: How Should User-Generated Content Be Moderated?

“I increasingly suspect that the days of large-scale public distribution of unmoderated user generated content on the Internet may shortly begin drawing to a close in significant ways…” writes long-time Slashdot reader Lauren Weinstein. And then he shares “a bit of history”:
Back in 1985 when I launched my “Stargate” experiment to broadcast Usenet Netnews over the broadcast television vertical blanking interval…

GM Reveals Electric Van and Delves Into Flying Cars

General Motors unveiled a new electric van and revealed potential plans to delve into flying cars, sending its stock soaring by as much as 8.8% to $48.95 a share. CNBC reports: The EV600 electric van is scheduled to go on sale later this year through a new commercial business unit of GM’s called BrightDrop. The division is planning a full portfolio…

What causes sun pillars or light pillars?

Sun pillars, or light pillars, are shafts of light extending from the sun or other bright light sources under the right atmospheric conditions. They’re caused by ice crystals drifting in Earth’s air. Source: https://earthsky.org/earth/what-is-a-sun-pillar…