"If this shirt is blue, you're going too fast!" T-shirt

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Red t-shirt with white print, featuring the text "If This Shirt is Blue You're Going Too Fast" on the front, and the APS logo on the back.

Based off the Doppler effect, which causes an increase (or decrease) in the frequency of sound, light, or other waves as the source and observer move toward (or away from) each other (like the increased pitch of a train moving towards you). Hence red objects should become more blue as they move towards you at extremely high speeds. This is known as redshift.

T-Shirt Details:
  • Preshrunk jersey knit
  • High stitch density for smoother printing surface
  • Seamless double-needle 3/4" collar
  • Taped neck and shoulders
  • Tear away label and double-satin label
  • Rolled forward shoulder
  • Double-needle sleeve and bottom hems
  • Quarter-turned to eliminate center crease

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