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SpaceX on Tuesday rolled out the rocket booster that the company plans to use to launch the first Starship orbital flight.

The company claims its High-Speed Vertical Take-Off and Landing aircraft could blend “the hover capability of a helicopter with the speed, range and survivability features of a fighter aircraft”. Such a system would be capable of “low-downwash hover” and “jet-like cruise speeds over 400kt [740km/h]”, the manufacturer says.

Bell’s conceptual renderings appear to use foldable proprotor technology that the company has disclosed in patent applications. The firm has explored aircraft that can take off vertically using tiltrotors, but then fly forward in cruise mode using wing-borne lift and thrust from jet engines, according to patent applications. Rotor blades would fold back to reduce drag during forward jet-powered flight.

One way such an aircraft might switch between high-speed cruise and VTOL mode is by relying on a “convertible engine”, a jet engine that switches between turboshaft and turbofan modes, according to patent filings. The Lockheed Martin F-35B uses a similar system, called the Rolls-Royce LiftSystem, to facilitate short take offs and vertical landings.

Inspiration4 is getting its own documentary. Netflix said Tuesday it would be releasing a five-part series on the mission, its first documentary to cover an event “in near real-time,” in five parts in September.

“Countdown: Inspiration4 Mission to Space” will follow the first all-civilian Inspiration4 crew as they prepare for and undergo a three-day flight to low Earth orbit. The private flight is being funded by — surprise! — a billionaire: Jared Isaacman, the CEO and founder of payment processor Shift4 Payments. He will be joined by Hayley Arceneaux, a physician assistant at St. Jude’s Children’s Research Hospital and a pediatric bone cancer survivor; Christopher Sembroski, a Lockheed Martin engineer and Air Force veteran; and professor of geoscience Sian Proctor.

Isaacman has committed to donating $100 million to St. Jude’s out of his own funds, in addition to the public donation drive that was used to select Sian Proctor’s seat. As of March, the donation drive raised an additional $13 million for the children’s hospital.

Tesla’s recent move to open its Supercharger network to other automakers will enable the automaker to get access to some of the $7.5 billion in EV charging infrastructure funding as part of the new US infrastructure bill.

For years now, Tesla has been talking about opening up the Supercharger network to electric vehicles from other manufacturers.

Last month, CEO Elon Musk finally confirmed that Tesla plans to open Superchargers to other automakers later this year.

The sophisticated new research station will allow for better science on the icy continent.

One of the biggest factors affecting consumer adoption of electric vehicles (EVs) is the amount of time required to recharge the vehicles—usually powered by lithium-ion batteries. It can take up to a few hours or overnight to fully recharge EVs, depending on the charging method and amount of charge remaining in the battery. This forces drivers to either limit travel away from their home chargers or to locate and wait at public charging stations during longer trips.

Why does it take so long to fully charge a battery, even those used to power smaller devices, such as mobile phones and laptops? The primary reason is that devices and their chargers are designed so the rechargeable lithium-ion batteries charge only at slower, controlled rates. This is a safety feature to help prevent fires, and even explosions, due to tiny, rigid tree-like structures, called dendrites, that can grow inside a lithium battery during fast charging and induce short-circuits inside the battery.

To address the need for a more practical lithium-ion battery, researchers from the University of California San Diego (UC San Diego) worked with scientists at Oak Ridge National Laboratory (ORNL) to conduct neutron scattering experiments on a new type of material that could be used to make safer, faster-charging batteries. The researchers produced samples of lithium vanadium oxide (Li3V2O5), a “disordered rock salt” similar to table salt but with a certain degree of randomness in the arrangement of its atoms. The samples were placed in a powerful neutron beam that enabled observing the activity of ions inside the material after a voltage was applied.

Its powers may not rival Wolverine’s, but a regenerative implant engineered by researchers at the University of Nebraska Medical Center and University of Nebraska–Lincoln could help repair bone-deep damage following physical trauma, surgery or osteoporosis.

The team has developed a biodegradable, nanofiber-based implant, or scaffold, whose design could better regenerate bone by effectively guiding the migration of recuperative cells to the injury site. When implanted in rats with bone defects, the cylindrical scaffold promoted the regeneration of bone that was denser, more voluminous and more like the surrounding tissue than that achieved by many other state-of-the-art designs.

The implant spurred regeneration even without the aid of externally sourced stem cells or so-called growth factors, which help promote healing but can also introduce regulatory complications and side effects that range from inflammation to unchecked tissue formation.

A new study detected coronavirus antibodies in 40 percent of deer tested this year. Here’s why that matters.