Space Travel And Showing Skin

Planets of the Solar System (Photo credit: Wikipedia)

Space travel damages skin but makes hair grow FASTER: 'Astromice' study discovers the lesser-known impacts on astronauts

some astronauts experience skin dryness and itching after spending time in space - making them more vulnerable to scratches and irritation...... the astronaut underwent an accelerated skin ageing process in space...... ‘Weightlessness as experienced by astronauts during space flights affects physiological functions of the human organism that has evolved, like other organisms living on Earth, through continuous adaptation to the permanent gravitational field.’ ...... a study on 19 crew members of six Nasa-Mir missions from 1995 to 1998 indicated small skin injuries were the most frequent medical incidents including dryness and itching. ..... several cutaneous physiological changes were recorded after the mission such as coarsening and decreased skin elasticity ....... there might be more detrimental effects than thought on missions into deep space, such as to Mars

I have known this all along. We are not supposed to travel vast distances. We are supposed to take good care of earth. Maybe moon, maybe Mars. But there is nothing much going on either on Moon or Mars. Other than having a backup plan that might be needed a million years from now, I don't see the point. What would it take to recreate Tribeca or Chinatown on the moon or Mars? A lot. You will probably ended up creating a parking lot up there.

There is a reason why everything out there is measured in light years. We are supposed to stay back and measure, use telescopes and things, take in the incoming information if we ever got so curious. We are not supposed to go there. We are supposed to stay put.

I get the impression we experimented on people before we experimented on mice. Beware, time travels faster for the skin out there.

But if this is only about gravity, Mars has gravity. As long as you can survive the journey and make it fast, you should be okay. Right?

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The Sun

Source

The Moon For Asteroid Mining

I had no idea water has been discovered on the moon. Well, that makes many things possible. I think the moon would be a great place to create a station from where to go for robotic asteroid mining. There is such abundance of precious metals on the asteroids, the harvest will more than pay for the costs. As for creating stations on the moon and Mars, you just need enough energy and metals to be able to build stations perhaps through 3D printing. I think there is a tipping point, and boom, suddenly a station on the moon is no big deal. Me personally, I don't want to go. I am happy on earth.

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Ganymede Is Habitable

If you can travel, and if you can land, and if you can have a localized power source, maybe nuclear, you would have enough energy to melt the ice for water, and break that water into hydrogen and oxygen, for the oxygen. And you could live. The localized power source is key. Mining the asteroid belt for building material should be the new normal in a more sophisticated space travel era.

Some Things Travel Faster Than Light

The lonely photon is now king of the universe as the last of the supermassive black holes evaporate. (Photo credit: Wikipedia)

Locating Black Holes in Distant Galaxies (Photo credit: Wikipedia)

Black hole quasar NASA (Photo credit: Wikipedia)

The supermassive black holes are all that remains of galaxies once all protons decay, but even these giants are not immortal. (Photo credit: Wikipedia)

Spooky alignment of quasars across billions of light-years

the rotation axes of the central supermassive black holes in a sample of quasars are parallel to each other. .... alignments of the largest structures ever discovered in the universe. ... the rotation axes of these quasars tend to be aligned with the vast structures in the cosmic web in which they reside. ..... Quasars are very active supermassive black holes at the nuclei of galaxies. These black holes are surrounded by spinning disks of extremely hot material that is often spewed out in long jets along their axes of rotation. Quasars can shine more brightly than all the stars in the rest of their host galaxies put together. ...... 93 quasars that were known to form huge groupings spread over billions of light-years, seen at a time when the universe was about one-third of its current age. ..... a cosmic web of filaments and clumps around huge voids where galaxies are scarce. This intriguing and beautiful arrangement of material is known as large-scale structure. ...... if the quasars are in a long filament, then the spins of the central black holes will point along the filament. ..... a hint that there is a missing ingredient in our current models of the cosmos

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Innovating The Smartphone Battery

If my smartphone battery gave me four times more juice, it might last a full day of rigorous use. But it doesn't.

Battery is hard to do, but worth trying. But maybe Samsung should plot to move to one of the next big things: rHealth.

In fast food it is not McDonald's that is number one. The Chinese restaurants collectively are bigger. The same seems to be true of smartphones. Samsung is like McDonald's. It is number two.

Samsung’s Future Is Bleak Because Phones Themselves No Longer Matter

With the possible exception of radically improved battery life, hardware differences become about subtle preferences, not clear-cut metrics of superiority.

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rHEALTH And One Drop Of Blood

This is a health care assistant that Fidel Castro could only have dreamed of. Like the smartphone is the computer for the final six billion, this device is the doctor for the final three billion, or maybe six. And I am sure there will be improvements. It is awesome as is, and it will get better. Finally a health "app" that actually does something serious pretty fast.

Heck, this is not just something for the have nots. This will displace many mainstream devices currently in use. This has the ease of a good old thermometer.

This Device Diagnoses Hundreds of Diseases Using a Single Drop of Blood

a portable handheld device that can diagnose hundreds of diseases using a single drop of blood with what Chan claims is gold-standard accuracy. ..... First hatched by DMI in response to a NASA challenge to create a diagnostics device that could work even in space, rHEALTH was portable from the beginning. ..... One small drop of blood is dropped into a small receptacle, where nanostrips and reagents react to the blood’s contents. The whole cocktail then goes through a spiral micro-mixer and is streamed past lasers that use variations in light intensity and scattering to come up with a diagnosis, from flu to a more serious illness such as pneumonia—or even Ebola—within a few minutes. ..... There’s also a vitals patch that users can wear to get continuous health readings—EKG, heart rate, body temperature—delivered to their smartphone or the rHEALTH device itself via a Bluetooth link. An app called CHAS (Comprehensive Health Assessment Unit) can walk the user through the process of self-diagnosis. ....... getting all the diagnostics technologies packed together into one handheld device ..... patients will need to give 1,500 times less blood than they would for regular tests ..... the device has even been tested in simulated lunar and zero gravity. “It’s a symphony of innovations, but we’ve pushed all of them individually to create the device” ..... rHEALTH is reliable for cell counts, HIV detection, vitamin D levels, and various protein markers in the body. The next challenges .. are adding more tests, scaling up production, and going through the laborious process of getting the rHEALTH commercialized. ...... three different models: the rHEALTH One, which will be used for translational research; the rHEALTH X, meant to be used as a kind of power tool for clinicians; and the rHEALTH X1, which will be available for consumers. ...... The goal is to create a universal, Star Trek-inspired medical diagnostic tool that detects up to 16 separate health conditions

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Interstellar

Simulated gravitational lensing (black hole going past a background galaxy). (Photo credit: Wikipedia)

I don't see this kind of interstellar human travel in my lifetime. But a thousand years from now, all bets will be off. Maybe even sooner.

Wrinkles In Spacetime: The Warped Astrophysics Of Interstellar

black holes, as the name suggests, are murder on light ..... Some individual frames took up to 100 hours to render, the computation overtaxed by the bendy bits of distortion caused by an Einsteinian effect called gravitational lensing. In the end the movie brushed up against 800 terabytes of data. “I thought we might cross the petabyte threshold on this one,” von Tunzelmann says. ..... “Chris really wanted us to sell the idea that the black hole is spherical,” Franklin says. “I said, ‘You know, it's going to look like a disk.’ The only thing you can see is the way it warps starlight.” Then Franklin started reading about accretion disks, agglomerations of matter that orbit some black holes. Franklin figured that he could use this ring of orbiting detritus to define the sphere. ...... “We found that warping space around the black hole also warps the accretion disk,” Franklin says. “So rather than looking like Saturn's rings around a black sphere, the light creates this extraordinary halo.” ..... Light, temporarily trapped around the black hole, produced an unexpectedly complex fingerprint pattern near the black hole's shadow. And the glowing accretion disk appeared above the black hole, below the black hole, and in front of it. “I never expected that,” Thorne says. ...... Thorne got a movie that teaches a mass audience some real, accurate science. But he also got something he didn't expect: a scientific discovery. ..... Thorne says he can get at least two published articles out of it. ...... haloed, spinning black hole and galaxy-spanning wormhole are not just metaphors

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