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The Strength of Shapes — Part III

Impress your friends with this neat trick!

You will need:

  • A grown-up (to assist you while you learn)
  • A thick glove
  • One medium-sized potato
  • A drinking straw (we used paper straws)

You may also need:

  • Several attempts to perfect your technique!

Then, later:

  • An audience (for when you’ve mastered it!)

How to do it:

  1. Hold the straw in the hand you use to write with.
  2. Place your thumb on top of the straw and wrap your fingers around its middle, as shown in the photo below:


Keep your fingers (and palm) away from the area of the potato that you’re going to push the straw through!

Also, wear a glove on the hand that’s holding the potato

The science behind it:

Where next?



Short stories from Drax, enabling a zero carbon, lower cost energy future

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