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DaVinci penned the aerial screw design in the 1400s, way before air travel was a thing. Now, it’s being put to action with this student-built drone.

Drones aren’t anything new —multi-rotor aircraft are becoming a bigger part of people’s lives every day. From the latest batch of up-and-coming urban air mobility companies to hobby applications, electric aircraft with four or more motors are commonplace, and generally, they use conventional multi-bladed propellers to keep themselves aloft. That’s not what’s going on with this particular drone developed by engineering students at the University of Maryland, though.

Assembled for a student design competition hosted by the Vertical Flight Society, it’s a mixture of old and new. With rotors reminiscent of Leonardo DaVinci’s aerial screw illustrations from the late 1490s, it flies like any other drone would, all while looking extremely bizarre and having interesting flight characteristics.

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WASHINGTON, Feb 1 (Reuters) — Tesla Inc (TSLA.O) will recall 53,822 U.S. vehicles with the company’s Full Self-Driving (Beta) software that may allow some models to conduct “rolling stops” and not come to a complete stop at some intersections posing a safety risk.

The National Highway Traffic Safety Administration (NHTSA) said the recall covers some 2016–2022 Model S and Model X, 2017–2022 Model 3, and 2020–2022 Model Y vehicles. NHTSA said the feature also known as FSD Beta may allow vehicles to travel through an all-way stop intersection without first coming to a stop.

Tesla will perform an over-the-air software update that disables the “rolling stop” functionality, NHTSA said. The agency added it “maintains regular discussions with all manufacturers to discuss potential safety concerns of these types of systems.”

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In addition to the beautiful reddish image seen by the telescope, ESA stated that the data gathered from this sort of observation could aid in deciphering riddles surrounding the Universe’s beginning.

About Hubble Space Telescope

The Hubble Space Telescope is massive, NASA said. Hubble orbits Earth at around 340 miles (547 kilometers). It measures the length of a huge school bus and weighs the equivalent of two adult elephants. Hubble travels at a pace of around 5 miles per second, about the same as traveling from the east to the west coast of the United States in 10 minutes. Hubble is a spacecraft that runs on solar power.

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The Red planet was still getting bombarded after 4.48 billion years.

It is believed to be the second oldest meteorite discovered, about two billion years old, and contains the most water found in any of Mars’ fallen rocks.

Previous studies of Black Beauty have shown that the meteorite lacked signatures of shock deformation, which led scientists to believe that Mars stopped experiencing heavy bombardment from flying space rocks about 4.48 billion years ago. This also suggested that the planet could have developed habitable conditions early on in its history.

The team behind the new study probed NWA 7,034, analyzing a total of 66 zircon grains. Zircon is a rare mineral found on Mars that scientists refer to as a time capsule since it preserves information about its environment from the day it was created.

Continue reading “Mars meteorite upends when we think life could have began” | >

Phase I trial aims to build on response seen in proof-of-concept trial.

NEW YORK AND CAMBRIDGE, MASS. — JANUARY 27, 2022 — IAVI and biotechnology company Moderna announced today that first doses have been administered in a clinical trial of experimental HIV vaccine antigens at George Washington University (GWU) School of Medicine and Health Sciences in Washington, D.C. The Phase I trial, IAVI G002, is designed to test the hypothesis that sequential administration of priming and boosting HIV immunogens delivered by messenger RNA (mRNA) can induce specific classes of B-cell responses and guide their early maturation toward broadly neutralizing antibody (bnAb) development. The induction of bnAbs is widely considered to be a goal of HIV vaccination, and this is the first step in that process. The immunogens being tested in IAVI G002 were developed by scientific teams at IAVI and Scripps Research and will be delivered via Moderna’s mRNA technology.

IAVI and Moderna and do not necessarily reflect the views of USAID or the United States government.

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Our eyes are continuously bombarded by an enormous amount of visual information – millions of shapes, colors, and ever-changing motion all around us.

For the brain, this is no easy feat.

On the one hand, the visual world alters continuously because of changes in light, viewpoint, and other factors. On the other, our visual input constantly changes due to blinking and the fact that our eyes, head, and body are frequently in motion.

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For 15 years, scientists have been baffled by the mysterious way water flows through the tiny passages of carbon nanotubes—pipes with walls that can be just one atom thick. The streams have confounded all theories of fluid dynamics; paradoxically, fluid passes more easily through narrower nanotubes, and in all nanotubes it moves with almost no friction. What friction there is has also defied explanation.

In an unprecedented mashup of fluid dynamics and , researchers report in a new theoretical study published February 2 in Nature that they finally have an answer: ‘quantum .’

The proposed explanation is the first indication of quantum effects at the boundary of a solid and a liquid, says study lead author Nikita Kavokine, a research fellow at the Flatiron Institute’s Center for Computational Quantum Physics (CCQ) in New York City.

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Peter Nesswhy is he so eager for Biden’s approval? Doesn’t he have parents?

Eric KlienAdmin.

Peter Ness Biden keeps saying that GM is the U.S. leader in EVs and this ticks off Elon. In fact, the old GM plant in California that Tesla bought for a big $42 million produced more cars than any other U.S. factory last year. (All EVs, of course.)

Genevieve Klien shared a link.

Continue reading “Ethereum-based AR metaverse ecosystem adopts Polygon to address scaling” | >