/u/Astracide's posts in /r/askscience

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As photons are their own antiparticle, can they annihilate in much the same way as an electron-positron collision? Perhaps to produce an electron and a positron?

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Why do we assume light takes the path of least time?

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Scanning tunneling microscopes—what happens when we push reactive atoms together?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
As photons are their own antiparticle, can they annihilate in much the same way as an electron-positron collision? Perhaps to produce an electron and a positron?	271
Why do we assume light takes the path of least time?	1
Scanning tunneling microscopes—what happens when we push reactive atoms together?	1