Joe Davis is telling me about his design for a 110-foot lightning-laser tower that will literally seize a hurricane’s force, bottle it up and hurl it angrily back into the sky. It’s intended as a memorial for the victims of Hurricane Katrina. Davis—whose official role at MIT is research affiliate associate in the biology department—plans to name the tower "Call Me Ishmael." I ask him why, but before I finish the question, he smashes his steel peg leg down onto the table, making me jump in my se

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