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Category: futurism – Page 776

Is a cheap ‘universal’ coronavirus vaccine on the way?

Two important sars-cov-2/covid-19 links.

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An experimental COVID-19 vaccine could potentially provide universal protection against future COVID variants as well as other coronaviruses—maybe even the ones responsible for the common cold. And it’s dirt cheap—less than $1 a dose, researchers say.

The targets a part of the COVID virus’ spike protein that appears to be highly resistant to mutation and is common across nearly all coronaviruses, said senior researcher Dr. Steven Zeichner. He is a professor of pediatric infectious disease with the University of Virginia, in Charlottesville.

In animal studies, the COVID vaccine protected pigs against two separate diseases caused by two types of coronavirus, COVID-19 and porcine epidemic diarrhea virus (PEDV), according to results published online recently in the Proceedings of the National Academy of Sciences.

Mainstream DDR5 Memory Modules Pictured & Headed For Mass Production, Will Be Available For Next-Generation AMD and Intel Platforms Later This Year

DDR5 memory production is finally picking up speed as several manufacturers have finalized their mainstream designs for the next-generation standard. The DDR5 memory standard will be utilized by upcoming Intel (Alder Lake) & AMD (Raphael) platforms which are expected to launch later this year.

Jiahe Jinwei has announced that it has received the first batch of DDR5 memory modules from its assembly line based in the Shenzhen Pingshan factory. The memory modules are now being mass-produced and are expected to launch later this year with the next-generation platforms from Intel and AMD. Intel is said to take a lead in offering the next-gen memory support first on its next-gen Alder Lake platform comprising of the Z690 chipset-based motherboards as reported here.

New space radar in Costa Rica can track even tiny orbital debris

It can track objects the size of a golf ball traveling at up 30000 kilometers per hour in LEO.

There’s a new giant space radar in Costa Rica that can track orbital debris as small as two centimeters. It was built by LeoLabs, a company that provides commercial radar tracking services for objects in Low Earth Orbit, which has declared the site fully operational less than a year after breaking ground. LeoLabs CEO Dan Ceperley said it’s the “most advanced commercial space radar of its kind” — one that’s capable of tracking objects the size of a golf ball traveling at up 30000 kilometers per hour.

The radar can keep an eye on both active satellites and space junk, which make up the vast majority of man-made objects found in LEO. They’re also the risks LeoLabs’ customers — made up of satellite operators, defense, space and regulatory agencies, insurance and scientific institutions — want to keep tabs on.

Space junk has increasingly occupied the Earth’s orbit over the past few decades, and it’s only bound to become a bigger issue in the coming years as private companies deploy more and more massive satellite constellations. Debris flying around in space is a huge threat to the ISS and future manned missions, giving rise to the need for a company like LeoLabs. Ed Lu, the company’s co-founder, explains that “[t]he number one danger to astronauts aboard the International Space Station has been and is today the risk of orbital debris that is too small to be tracked by the US Department of Defense going through the hull.”

Boron-doped nitrogen-deficient carbon nitride-based Z-scheme heterostructures for photocatalytic overall water splitting

Splitting water using suspensions of particulate carbon nitride-based photocatalysts may be a cheap way to produce hydrogen, but efficiencies have remained low. Now, Shen and colleagues use doped carbon nitride-based Z-scheme heterostructures to split water with a solar-to-hydrogen efficiency of 1.1% in the presence of metal-based co-catalysts.

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