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Tapping Subway Trains For Energy

kevinqtipreedy Re:Regenerative braking? (229 comments)

I was thinking the same thing. I'm guess what they meant to say was 3-4 Megawatt Hours over the 30 seconds, which would bring and amperage to 42-56A.

more than 3 years ago
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TSA To Allow Laptops In Approved Bags

kevinqtipreedy Re:Getting through security isn't the delay... (571 comments)

There are actually a few airports that now have 3 separate lines - Expert, Casual, and Family. I have only been through it at Midway airport in Chicago. It has made getting through security much faster, except one time when a TSA employee was telling people that the lines didn't matter and to just go in any line.

more than 6 years ago

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