Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 6189201 | Method of tuning a high frequency printed resonance circuit In a method of tuning a high frequency printed resonance circuit having a conductive layer that is printed on a dielectric substrate and that serves as an inductance of the resonance circuit, the conductive layer is ground to mechanically remove a portion... | 02/20/2001 |
