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Bookends of Scientific Achievement

Two bookends of scientific achievement… 1885 Alexander Graham Bell makes a recording using a cardboard and wax cylinder. Not the most gripping of content but hearing a voice from over 1.25 centuries ago is amazing. As is the other bookend – a stunning video made by nano-physicists at IBM moving atoms. Two great resources for CS lessons…

We Had No Idea What Alexander Graham Bell Sounded Like. Until Now
A Boy And His Atom: The World’s Smallest Movie