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Category: space travel – Page 347

Elon Musk: Should Have 1000 Ventilators Next Week, + 250,000 N95 Masks For Hospitals Tomorrow Exclusive

Dr. Ezekiel Emanuel, an American oncologist and bioethicist who is senior fellow at the Center for American Progress as well as Vice Provost for Global Initiatives at the University of Pennsylvania and chair of the Department of Medical Ethics and Health Policy, said on MSNBC on Friday, March 20, that Tesla and SpaceX CEO Elon Musk told him it would probably take 8–10 weeks to get ventilator production started at his factories (he’s working on this at Tesla and SpaceX).

I reached out to Musk for clarification on that topic and he replied that, “We have 250k N95 masks. Aiming to start distributing those to hospitals tomorrow night. Should have over 1000 ventilators by next week.” With medical supplies such as these being one of the biggest bottlenecks and challenges at the moment in the COVID-19 response in the United States (as well as elsewhere) — something that is already having a very real effect on medical professionals and patient care — the support will surely be received with much gratitude. That said, while there has been much attention put on the expected future need for ventilators, very few places reportedly have a shortage of them right now. In much greater need at the moment are simpler supplies like N95 masks, which must be why Tesla/SpaceX is providing 250,000 of them.

Dr. Emanuel also said in the segment of MSNBC’s “Morning Joe” he was on that we probably need 8–12 weeks (2–3 months) of social distancing in the US in order to deal with COVID-19 as a society. However, he also expects that the virus will come back and we’ll basically have a roller coaster of “social restrictions, easing up, social restrictions, easing up … to try to smooth out the demand on the health care system.”

NASA Engineer Claims ‘Helical Engine’ Concept Could Reach 99% The Speed of Light

O.o yayyyyyyyyyyyyy.

When it comes to space, there’s a problem with our human drive to go all the places and see all the things. A big problem. It’s, well, space. It’s way too big. Even travelling at the maximum speed the Universe allows, it would take us years to reach our nearest neighbouring star.

But another human drive is finding solutions to big problems. And that’s what NASA engineer David Burns has been doing in his spare time. He’s produced an engine concept that, he says, could theoretically accelerate to 99 percent of the speed of light — all without using propellant.

He’s posted it to the NASA Technical Reports Server under the heading “Helical Engine”, and, on paper, it works by exploiting the way mass can change at relativistic speeds — those close to the speed of light in a vacuum. It has not yet been reviewed by an expert.

Helmholtz decomposition

Essentially this can lead to euclidean geometry in programming essentially allowing near infinite decompression either in programming or in devices or even spaceships.

In physics and mathematics, in the area of vector calculus, Helmholtz’s theorem,[1][2] also known as the fundamental theorem of vector calculus,[3][4][5][6][7][8][9] states that any sufficiently smooth, rapidly decaying vector field in three dimensions can be resolved into the sum of an irrotational (curl-free) vector field and a solenoidal (divergence-free) vector field; this is known as the Helmholtz decomposition or Helmholtz representation. It is named after Hermann von Helmholtz.[10]

As an irrotational vector field has a scalar potential and a solenoidal vector field has a vector potential, the Helmholtz decomposition states that a vector field (satisfying appropriate smoothness and decay conditions) can be decomposed as the sum of the form − ∇ ϕ + ∇ × A {\displaystyle -\nabla \phi +\nabla \times \mathbf {A} }, where ϕ {\displaystyle \phi } is a scalar field called “scalar potential”, and A is a vector field, called a vector potential.

SpaceX’s latest Starship prototype passes big tank pressure test

SpaceX’s newest prototype of its Starship Mars-colonizing vehicle just passed a crucial pressure test, potentially paving the way for more ambitious trials in the near future.

Starship version SN2 survived a cryogenic pressure test late Sunday (March 8) at SpaceX’s South Texas facilities, company founder and CEO Elon Musk said. You can see a video timelapse of the test from Starship watcher Mary BocaChicaGal here for NASASpaceflight.com.

SpaceX Makes History With 50th Rocket Landing

CAPE CANAVERAL (CBSMiami/AP) — SpaceX made history this weekend when it successfully landed its 50th rocket after launching another load of station supplies for NASA.

The Falcon rocket blasted off with 4,300 pounds (1,950 kilograms) of equipment and experiments for the International Space Station. Just minutes later, the spent first-stage booster made a dramatic midnight landing back at Cape Canaveral, its return accompanied by sonic booms.

“And the Falcon has landed for the 50th time in SpaceX history!” SpaceX engineer Jessica Anderson announced amid cheers at Mission Control. “What an amazing live view all the way to touchdown.”

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