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Fibonacci Spiral Clock

Using a spiral arm to tell the time is a novel and mathematically satisfying experience. This clock comes with a ten year guarantee and a leaflet with some mathematical ideas to explore - in a classroom or at home. A perfect gift for th

These Flying Robots Could Someday Clean Your House

These Flying Robots Could Someday Clean Your House. but until they wll fly around and knock stuff over.

I want this for my home! I'm so tired of almost dropping my board in the garbage when I clean it!

I want this for my home! I'm so tired of almost dropping my board in the garbage when I clean it!