What is the best VR headset for watching movies?
As I own just about every headset on the market, I am confident in saying that the PSVR is the best for watching movies, since it is far more comfortable than the others. It also has good video support—anything you can watch on your PS4 you can watch in the headset, including YouTube, which is missing on GearVR. One knock against it is that it turns off position tracking in cinema mode, which is slightly discomfiting if you move around on your couch.Of course GearVR has the advantage of portability: you can’t use your PS4 to watch a movie in a virtual IMAX theater on the plane.All of the headsets are still too low rez to really be preferable to watching on a traditional monitor, but I have enjoyed watching an entire 2 hour film on the PSVR which I have never done in any of the other headsets. It could be pretty useful if you have small kids and want to tune out your life for a while to watch Game of Thrones or something like that. (As long as someone else is around to watch said children and keep them from disturbing you!)Update: There’s a new best headset for movie watching: the HTC Vive Pro by a mile. But it’s extremely expensive so probably not a practical option.The Oculus Go is launching in a few weeks and at a $200 price point will be by far the most convenient and lowest cost of entry for a good experience. This would be my new top choice.
When standing, blood pressure in your legs is greater than in your upper body.?
Normally the systolic pressure in the legs is upto 20 mmHg higher than in the arms, but the diastolic pressures are virtually identical. To be able to explore and work in space, humans have to take their environment with them because there is no atmosphere to supply the pressure and oxygen necessary to support life. Without sufficient atmospheric pressure, body fluids will start to heat up and boil. Without oxygen, we would be unable to breathe. The parts of a spacesuit Spacesuits serve many functions. Today's spacesuits are pressurized, have an oxygen supply, protect the astronaut from micrometeoroid bombardment while spacewalking, and insulate the astronaut from the severe temperature changes experienced in space. The Space Shuttle astronauts have more than one "outfit" for space travel. What they wear while on a mission is determined by the job they are doing. During the launch and re-entry, the astronauts wear a partially pressurized suit and a parachute pack. The suit has a helmet, gloves, and boots which all serve as protection for the astronaut. Within the suit are bladders that automatically fill with air at reduced cabin pressures. At low pressure, the blood will pool in the lower body causing the astronaut to black out. The bladders maintain the pressure on the lower body to prevent this from happening. While working in the Shuttle during orbit, astronauts work in comfortable clothes such as knit shirts, pants, or flight suits. In addition, prior to each mission, flight crews are outfitted with lined jackets, sleep shorts, slippers, and underwear. While working outside of the Shuttle during a mission, astronauts wear an extravehicular mobility unit (EMU). This suit has interchangeable parts so it can be assembled to fit different astronauts. This makes the suit more cost effective since it can be reused. The EMU has a liquid cooling garment, which is a one piece suit made of spandex, and keeps the astronaut cool while in the suit. The unit also contains headphones and microphones, a drink bag which carries water, a life support system containing oxygen, and a urine collection device. Gloves are included with the unit along with a helmet and a visor. All of this is necessary to protect the astronaut from micrometeoroids, solar radiation, infrared radiation, temperature changes, pressure changes, and oxygen deprivation.