6 thoughts on “Interesting Question of the Day – 13 August 2020”

1. Sails

2. Wheels
   Please ignore my previous answer

   1. Are you sure now?

3. What Lily said. She is absolutely right.

4. Which is to say, sails. The use of animal hides as clothing has been around for a long long time, and sails probably followed fairly shortly.

   1. We’ve had sails for about 8,000 years. Wheels only go back about 6,500 years.

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