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A hunt for hypothetical axions streaming from Betelgeuse turns up empty but helps physicists set constraints on their properties.
The Art Of Human Care For Covid-19 — Dr. Hassan A. Tetteh MD, Health Mission Chief, U.S. Department of Defense (DoD), Joint Artificial Intelligence Center, The Pentagon.
Dr. Hassan A. Tetteh, MD, is the Health Mission Chief, at the Department of Defense (DoD) Joint Artificial Intelligence Center, serving to advance the objectives of the DoD AI Strategy, and improve war fighter healthcare and readiness with artificial intelligence implementations.
OpenAI says its text-generating system GPT-3 is now being used by more than 300 companies and tens of thousands of developers, who are collectively generating more than 4.5 billion words a day. It’s an arbitrary milestone, but a clear example of the potential for AI text-generation.
The number of confirmed cases of the coronavirus-borne illness COVID-19 climbed above 142 million on Tuesday, and India remained a hot spot, recording more than 250000 new infections and over 1700 deaths in the past 24 hours alone.
India has the second-highest case tally in the world after the U.S. with more than 15 million cases, according to data aggregated by Johns Hopkins University. The country of more than 1.3 billion has suffered more than 180000 deaths — and experts say these numbers are likely an undercount, the Associated Press reported.
The capital New Delhi entered lockdown again on Monday in an effort to curb a surge in cases that has hospitals overflowing, intensive-care units full and oxygen in short supply.
Circa 2020
Robots and stranger machines have been using a particular band of ultraviolet light to sterilize surfaces that might be contaminated with coronavirus. Those that must decontaminate large spaces, such as hospital rooms or aircraft cabins, use large, power-hungry mercury lamps to produce ultraviolet-C light. Companies around the world are working to improve the abilities of UV-C producing LEDs, to offer a more compact and efficient alternative. Earlier this month, Seoul Viosys showed what it says is the first 99.9 percent sterilization of SARS-COV-2, the coronavirus that causes COVID-19, using ultraviolet LEDs.
UV LEDs are deadly to viruses and bacteria, because the 100–280 nanometer wavelength C-band shreds genetic material. Unfortunately, it’s also strongly absorbed by nitrogen in the air, so sources have to be powerful to have an effect at a distance. (Air is such a strong barrier, that the sun’s UV-C doesn’t reach the Earth’s surface.) Working with researchers at Korea University, in Seoul, the company showed that its Violed LED modules could eliminate 99.9 percent of the SARS-COV-2 virus using a 30-second dose from a distance of three centimeters.
Continue reading “Ultraviolet-LED Maker Demonstrates 30-Second Coronavirus Kill” »
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Continue reading “Building real Iron Man suit (Part#2: Exosuit, hydrogen muscles & EMG sensors)” »
The dirt scattered across the floor of an ancient, remote cave in Mexico has yielded a new source of viable ancient DNA.
For the first time, scientists have sequenced ancient DNA from soil samples — and it’s all thanks to the Upper Paleolithic bears that prolifically used the cave as their toilet around 16000 years ago.
The scientists describe their work as “the Moon landing of genomics”, as the breakthrough means fossilized remains are no longer the only way of obtaining ancient DNA. Further, it shows ancient DNA can now be studied in the context of populations, rather than scattered, fragmentary individuals.
Cancer and other diseases have another means of travel.
The continuous network of fluid-filled compartments crosses organ barriers and might serve as a conduit for tumor cells to spread.
