January-April 2001
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January-April 2001 |
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| January-April 2001 | |||||||||
| January 2: | Typewriter | ||||||||
| January 9: | Potholes | ||||||||
| January 16: | Gas lighting | ||||||||
| January 23: | Ultrasound imaging | ||||||||
| January 30: | Violins | ||||||||
| February 6: | New vs. Old Technology | ||||||||
| February 13: | Glass | ||||||||
| February 20: | Super soaker | ||||||||
| February 27: | Contact lenses | ||||||||
| March 6: | Matches | ||||||||
| March 13: | Demolition | ||||||||
| March 20: | Pop can top | ||||||||
| March 27: | Bose wave radio | ||||||||
| April 3: | Claude Shannon | ||||||||
| April 10: | Cell phone | ||||||||
| April 17: | Microchip | ||||||||
| April 24: | Ping Putter | ||||||||
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