An event is the boundary between "before" and "after", as in "event horizon". Or it can be the process that develops "after" from "before", as in "3 day event". So it may have a transient or permanent location in space or time.
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Reality is described by combining all possible spacetime historiesSo the integrals must go from t = 0 to the present, and you have to add K, the starting condition at t = 0. That's the bit that humbles cosmologists and climatologists, because as far as we know the integrals may be a lot bigger (the Big Bang) or a lot smaller (Steady State) than K.
how a photon is propagated in QEDThere's the rub. It is analagous to how a mouse runs in a cartoon - not how a mouse runs in real life. QED, like all physics, is an attempt to create a mathematical model of what actually happens.
I am enternally grateful to a Tory government for its obsession with reducing the size of the civil service. They gave me 35 years' pension for 25 years' work, and a cash bribe, all for the sake of a few votes (as if anyone really cared anyway). And a year later they recruited two blokes to do my work.Or, having decided that the private sector must carry the nonexistent risk of building and running hospitals,That's not any competent government; it's a Tory one.
They did that to undermine public sector work.
Everyone knows that.
Government work got us to the Moon.and once the political goal had been achieved, cancelled the program.
Continuous glucose monitoring isn't blood glucose monitoring as the sensors with a CGM machine are placed into your body but not into the bloodstream.
The sensors measure the glucose in your interstitial fluid - the fluid in and around your body’s cells.
The relationship between glucose concentrations in interstitial fluid (ISF) and blood has generated great interest due to the possibility of gaining up to 288 glucose level readings a day without having to do finger pricks.