by David Shaw, 17 March 2022 | 0 comments
Rulers are great at measuring straight lines, but how do you measure a curvy line? Here’s one way, using a wonderfully messy diagram!
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by David Shaw, 28 April 2021 | 0 comments
NASA’s Ingenuity helicopter has made history by flying on Mars. To celebrate the first flight of a copter on another planet, here’s a simple unpowered helicopter you can build at home!
by David Shaw, 17 October 2019 | 2 comments
Drop the ruler, watch for the jump… that’s the point of drop jump! Can you work out which matchbox tray the coin will fall into?
by David Shaw, 6 November 2015 | 0 comments
This simple pattern reveals a heart from a circle and a lot of straight lines!
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