Tired Light T-Shirt | When Photons Need a Coffee Break dirt bike humor not your trust issues)

not your trust issues)

It's what happens when you cross Kelly Slater with Neil Armstrong and give them an energy drink

It's a perfect conversation starter about probability

Note: No electrons were harmed in the making of this shirt (though several did get pretty excited about the design)

(Note: Trick difficulty may vary depending on local gravitational conditions

Tired Light T-Shirt | When Photons Need a Coffee Break dirt bike humor not your trust issues)Fritz Zwicky's 1929 alternative to the expanding universe theory because sometimes even light gets exhausted trying to explain where it's been! This design celebrates the cosmic hypothesis that suggested photons don't expand space, they just need a nap after traveling for billions of years. Technical Details: Retro sci fi design in dramatic reds and grays Features planets looking suspiciously fatigued Quality that won't redshift no matter how far it