Dropping Nearly 20%, Bitcoin Suffers Worst Weekly Drop in a Year

“Bitcoin’s rally this year has hit a speed bump, putting it on track for the worst weekly slide in almost a year amid wider losses in risk assets,” reports Fortune: The largest cryptocurrency slumped as much as 20% this week, the most since March, and was holding at about $46,925 as of 10:22 a.m. in Hong Kong. The wider Bloomberg Galaxy…

Clubhouse Chats Are Breached, Raising Concerns Over Security

A week after popular audio chatroom app Clubhouse said it was taking steps to ensure user data couldn’t be stolen by malicious hackers or spies, at least one attacker has proven the platform’s live audio can be siphoned. From a report: An unidentified user was able to stream Clubhouse audio feeds this weekend from “multiple rooms” into their own third-party website,…

Hey, kids! Meet the new Hot Wheels Mars rover!

Mattel, maker of Hot Wheels, has just released a new Hot Wheels Mars Perseverance Rover to celebrate the landing of the NASA Perseverance rover on Mars on February 18. Source: https://earthsky.org/human-world/hot-wheels-mars-perseverance-rover-mattel…

Hear the strange music of distant planetary system TOI-178

In the animation in this post, the rhythmic movement of newly discovered planets around the star TOI-178 is represented through a musical harmony, created by attributing a note (in the pentatonic scale) to each of the planets. Hear the music of these planets. Source: https://earthsky.org/space/star-system-tio-178-planets-in-resonance-orbits-cheops…

Scientists Use Satellite Imagery To Count Elephants

Scientists from a trio of universities have combined satellite imagery with deep learning to detect elephants from space. The goal is to help protect these endangered species from poachers or habitat destruction. Their study was published in the journal Ecology and Conservation. Interesting Engineering reports: The team’s method proved comparable to human detection accuracy and could help solve a number of…

‘Major Component Malfunction’ Ends SLS Rocket Test Early. NASA Considers New Timeline

“NASA’s rocket charged with taking the agency back to the moon fired its four main engines Saturday afternoon, but the test in Mississippi was cut short after a malfunction caused an automatic abort,” reports Florida Today… “We did get an MCF on engine four,” a control room member said less than a minute into the test fire, using an initialism that…

New sunspot cycle could be among strongest on record

A study of oppositely charged magnetic field bands, moving in the sun’s northern and southern hemispheres, suggests the coming sunspot cycle – Cycle 25 – will be a particularly strong one. This result contradicts an earlier expert forecast, suggesting a weak Cycle 25. Source: https://earthsky.org/space/sunspot-cycle-25-among-strongest-on-record-says-ncar…

What are coronal mass ejections?

Coronal mass ejections – CMEs for short – are powerful eruptions near the surface of the sun that can ripple through our solar system and can interrupt satellites and power grids on Earth. Source: https://earthsky.org/space/what-are-coronal-mass-ejections…

Twitter Verification Returns Early Next Year

Twitter announced today that it would relaunch its verification process early next year along with brand-new guidelines for users seeking out that small, blue badge. From a report: Twitter’s announcement confirms earlier reporting in June from app researcher Jane Manchun Wong suggesting that the company was creating a new verification system. In Twitter’s Tuesday blog post, the company confirmed that this…

After Restoring YouTube-dl, GitHub Revamps Its Copyright Takedown Policy

On October 23rd GitHub initially complied with a takedown request for the open-source project youtube-dl — and then after 24 days, reinstated it. “If there’s a silver lining to the episode, it’s that GitHub is implementing new policies to avoid a repeat of a repeat situation moving forward,” reports Engadget: First, it says a team of both technical and legal experts…