Fixing What is Broken

Today we are going to invent something.  Does that sound scary?  It doesn't have to be.  Look around you and think about what is too difficult, too slow, or too inconvenient.  Now fix it.

Look at the following inventions.  What problems did they solve?  What was "broken" before they came along?

1. Wheel
2. Aeroplane
3. Light bulb
4. Internet
5. PCs
6. Telephone
7. Penicillin
8. iPhone
9. Flushing toilet
10. Combustion engine

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