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Science and Post-It notes power this Rube Goldberg machine

3M used 25,000 post its, 75 rolls of that blue painter tape, and a whole bunch of other stuff to make this wildly complicated Rube Goldberg machine that’s actually really fun to watch. Unlike other Rube Goldberg machines, it’s not totally obvious how it’ll progress from one level to the next, like a slow burn where… » 8/19/15 11:30pm 8/19/15 11:30pm

Question of the Day: What Gadgets Do You Use to Keep Your Life Organized?

I have to admit, I am nothing without my cellphone—my whole life is crammed into that thing. Back in the day I wandered around aimlessly—my appointments scribbled down here and there on random scraps of paper. Fortunately, I manage to keep up these days because the software makes it easy and my phone is always close… » 9/04/08 5:20pm 9/04/08 5:20pm