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Former Senate Majority Leader Harry Reid (D-Nev.) praised Monday’s release of the videos, but said more action is needed.

“I’m glad the Pentagon is finally releasing this footage, but it only scratches the surface of research and materials available,” he tweeted. “The U.S. needs to take a serious, scientific look at this and any potential national security implications. The American people deserve to be informed.”

The Pentagon on Monday officially released three videos of “unidentified” flying objects that have been previously leaked to the public.

Continue reading “Pentagon officially releases videos of ‘unidentified’ flying objects” »

Around the world, scientists race to develop a vaccine or treatment against the coronavirus disease (COVID-19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Now, a team of researchers has found that a drug already available around the world can kill the coronavirus in a lab setting in just 48 hours.

Novel Coronavirus SARS-CoV-2 Colorized scanning electron micrograph of an apoptotic cell (green) heavily infected with SARS-COV-2 virus particles (yellow), isolated from a patient sample. Image captured at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland. Credit: NIAID.

During the 1918 flu, San Francisco lifted its lockdown early — and paid a dire price.
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In US news and current events today, the coronavirus pandemic, the COVID-19 outbreak has had people around the world in lockdown. People in the United States and the world at large have had to quarantine and practice social distancing and self-isolation when necessary.

Continue reading “San Francisco Paid the Price for Lifting Spanish Flu Lockdown Early | NowThis” »

By more accurately printing complex geometric patterns, this new 3D printing method makes construction projects more efficient with less waste and faster time to market.

A new 3D printing method could revolutionize the way additive manufacturing is used to print materials on construction sites.

Built in about 24 hours, this robot is undergoing in-hospital testing for coronavirus disinfection.

UV disinfection is one of the few areas where autonomous robots can be immediately and uniquely helpful during the COVID pandemic. Unfortunately, there aren’t enough of these robots to fulfill demand right now, and although companies are working hard to build them, it takes a substantial amount of time to develop the hardware, software, operational knowledge, and integration experience required to make a robotic disinfection system work in a hospital.

Continue reading “Akara Robotics Turns TurtleBot Into Autonomous UV Disinfecting Robot” »

Researchers have demonstrated the world’s first metasurface laser that produces “super-chiral light”: light with ultra-high angular momentum. The light from this laser can be used as a type of “optical spanner” to or for encoding information in optical communications.

“Because light can carry angular momentum, it means that this can be transferred to matter. The more angular momentum light carries, the more it can transfer. So you can think of light as an ‘optical spanner’,” Professor Andrew Forbes from the School of Physics at the University of the Witwatersrand (Wits) in Johannesburg, South Africa, who led the research. “Instead of using a physical spanner to twist things (like screwing nuts), you can now shine light on the nut and it will tighten itself.”

The new laser produces a new high purity “twisted light” not observed from lasers before, including the highest angular momentum reported from a laser. Simultaneously the researchers developed a nano-structured metasurface that has the largest phase gradient ever produced and allows for high power operation in a compact design. The implication is a world-first laser for producing exotic states of twisted structured light, on demand.

Some women with severe anorexia have returned to a healthy weight and feel less anxious and depressed after having electrical devices implanted into their brains, according to a small study. But more research is needed before the treatment can be recommended for wider use.

Software bugs have been a concern for programmers for nearly 75 years since the day programmer Grace Murray Hopper reported the cause of an error in an early Harvard Mark II computer: a moth stuck between relay contacts. Thus the term “bug” was born.

Bugs range from slight computer hiccups to catastrophes. In the Eighties, at least five patients died after a Therac-25 radiation therapy device malfunctioned due to an error by an inexperienced programmer. In 1962, NASA mission control destroyed the Mariner I space probe as it diverted from its intended path over the Atlantic Ocean; incorrectly transcribed handwritten code was blamed. In 1982, a software bug later alleged to have been implanted into the Soviet trans-Siberian gas pipeline by the CIA triggered one of the largest non–nuclear explosions in history.

According to data management firm Coralogix, programmers produce 70 bugs per 1,000 lines of code, with each bug solution demanding 30 times more hours than it took to write the code in the first place. The firm estimates the United States spends $113 billion a year identifying and remediating bugs.