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On March 31st new rules take effect in China banning VPNs and cross-border leased lines. Bloomberg writes:
Censors have already eliminated hundreds of VPNs, which route user requests for sites through virtual networks located on the providers' servers, disguising their users' true locations or destinations. A few operators have been jailed, and over the summer Apple Inc. began removing VPN software from the Chinese version of its App Store. VyprVPN, ExpressVPN, NordVPN, and a shrinking number of others are still working to outpace the government, renting extra cloud servers from Amazon Web Services Inc. and the like to buoy their networks. They're also working on software that can make user activity look like permitted internet traffic, sometimes by renting internet protocol addresses that have also been used by government-approved services.
Source : China's Internet Underground Fights for Its Life
(Score: 1, Offtopic) by maxwell demon on Sunday March 04 2018, @10:14AM (2 children)
Assuming the sun actually does look differently (it certainly doesn't behave differently, as the sun we see on the northern hemisphere is the exact same sun seen at the same timeat the southern hemisphere, where there is summer at the same time!), I'd guess it is an effect of the absolute humidity of the air: In winter, the absolute humidity is lower (because the air is colder, it cannot "hold" as much water as when warm). If the water vapour significantly affects the scattering of visible light in the atmosphere (I'm too lazy to check, but it seems reasonable), then the sun light in winter should have a different intensity (and possibly also a different spectrum) than in summer. In particular, since water is known to absorb red light, I'd guess the sun light would have relatively more blue in winter, which makes if look "colder" (note that this is an interpretation by our visual system; actually the blue light is the one with the most energy).
The Tao of math: The numbers you can count are not the real numbers.
(Score: -1, Offtopic) by Anonymous Coward on Sunday March 04 2018, @03:54PM (1 child)
You've got a theory. Now test it with 12 months of observations. While you're at it, see if you can figure out 'why sunsets are red.'
(Score: 0, Offtopic) by khallow on Sunday March 04 2018, @04:24PM
Atmosphere of course. I'll note that one can see this with heavy smoke in the air. For example, I work in Yellowstone National Park. At times, the park experiences heavy smoke up to high altitudes due to smoke that came from fires hundreds of miles upwind from us. As a result, I've seen a shift at all times of the day, including sunrise and sunset to redder sunlight in those situations.