Interestingly the retina malfunctions pretty quickly, losing color vision first, but generally recovers when reoxygenated.
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I don't live in Yorkshire, but know there are is at least 3 airports you can fly between without having to leave YorkshireI know - I have flown to at least 5 of them. Having been conceived in Co Durham I have the right to consider Yorkshire as a bit inferior, or at least south.
Photons are generated by electrons changing energy levels in atoms.
Because it isn't true. We abandoned "orbits" about 100 years ago because they never made sense.The mechanism by which an electron emits a photon and falls to a lower orbit is not understood in physics.I repeat this assertion. I would be pleased to be convinced otherwise.
it foams as it comes out of the tap, has a horrible metalic taste etc.The brown foamy stuff is called beer. It's supposed to taste like that.