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65° Clear
- San Mateo, CA (94402)
  Today
  
  Clear to partly cloudy. Low around 50F. Winds WNW at 10 to 15 mph..
  
  Tonight
  
  Clear to partly cloudy. Low around 50F. Winds WNW at 10 to 15 mph.
  
  Updated: March 24, 2026 @ 8:15 pm
- Full Forecast

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Obituaries

Electronic tube pioneers

Updated Apr 1, 2025

The era of the radio was sweeping the country in the 1920s. Radios had as their basic element quartz crystals that exhibited an electric effec…

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