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Credit Card Swipe Fees Begin Sunday In USA

neurostar gas stations (732 comments)

(it seems that gasoline station owners here in Massachusetts got a different memo, though)

Despite the fact that the outcome is similar, there's a legal difference between "surcharge for credit" and "discount for cash". The former is/was illegal, the latter is legal. Presumably gas stations in MA and elsewhere are doing the latter.

about a year and a half ago
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Astronomers Witness Whopper Galaxy Collision

neurostar Order of Magnitude (227 comments)

Well, in some cases, astronomy is an order of magnitude science. As this collections of objects doesn't seem to have any gravitational lensing associated with it, there is no way to independently determine the mass of the system. A rough guess at the mass can be determined by assuming a mass to light radio since we know how bright it is (and presumably how far). That would lead to the mass estimates.

more than 7 years ago

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