Total Internal Reflection: Experiments For Kids
I can remember when rotary phones were the norm and we had to fuss with big rabbit-eared antennas to unfuzz our television picture. Some of us are old enough (though I'm not) to even remember what life was like when televisions were a luxury. Technological advances make old technology obsolete. And it's happening faster and faster. Ask any 11-year-old what their favorite Nintendo game is, and "Pong" (popular in the mid-1970s) will probably not be the answer.
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