6 Shortz Era entries found. Click any date for context.
See the dictionary definition for sine wave.
|Wednesday, July 7, 2010||8D||Symbol of simple harmonic motion||Will Nediger|
|Thursday, September 18, 2008||55A||[See circles]||Mike Nothnagel|
|Sunday, September 14, 2008||72A||Pattern for light or sound||Jeremy Newton|
|Friday, March 16, 2007||18A||It has its highs and lows in math||Eric Berlin|
|Saturday, October 21, 1995||40A||Periodic oscillation||Daniel R. Stark|
|Saturday, May 6, 1995||55A||Oscilloscope picture||Randolph Ross|