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Mechanical computers use springs and bolts to count, sort odd-even pushes and remember force

Subscribe to our newsletter for the latest sci-tech news updates. "We typically think of memory as something in a computer hard drive, or within our brains," says St. Olaf College Associate Professor ...
BBC

Moving on different surfaces

Activity 1 – Order the surfaces – How much friction do they produce? Activity 2 – Moving things quiz Activity 3 – Solve this problem Activity 4 – Conduct an investigation We need forces to make things ...