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The powerful magnetism of James Clerk Maxwell

16 February 2019

9:00 AM

16 February 2019

9:00 AM

Chances are, you are reading these words in some room or other. Build a wall down the middle of it, and in the middle of the wall, insert a tiny shutter. Conjure up a tiny critter who can open and shut this little door at will. When a hotter-than-average air molecule careers towards it, the creature opens the shutter and lets the molecule pass to the other side of the room.

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