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Comment Re: The fear machine has been in overdrive (Score 3, Insightful) 22

"X could very well be causing you cancer! We suggest you stop using it!"

"Stop fear-mongering -- it's as yet unproven!"

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Certainly having micro-plastics in every organ in our bodies is doing no good for us. It's very likely causing us harm. It's still being researched, yes, but I'm certainly not happy that they are there in the first place.

It would be nice to not add more

Comment Re: Gravitational lensing says "no" (Score 5, Informative) 70

Moreover, with space itself being curved, the photons aren't accelerating, they are following a straight path. There's no "slingshot" here, just a straight line (that curves as space curves -- think a line of longitude that is a straight line that curves around the surface of the earth).

The curving lengthens the line, though, delaying the photon from reaching us. The photos travel at c. If there are 2 or 3 visible paths between us and the source, we can use differences in timing of observing some event on the 3 paths to calculate their different lengths, and thus the extent of the space curvature, and thus the amount of mass present.

Comment Forest Fire (Score 1) 39

Nature uses fires to clear patches of forest so that new things can grow. And regular fires ensure that the patches that burn remain small.

There are parts of the world where they intentionally start fires or order to ensure that only small forest fires can happen -- Vertasium has a really good video on the topic.

So maybe burn out the dead stuff, which will help kill the beetles and add some nutrients to the ground.

Before a lightening strike makes the decision for them.

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