• An olive green short-sleeve t-shirt laid flat on a wrinkled white sheet, featuring a small graphic of a yellow coffee mug on the left chest.
  • A man viewed from behind wearing an olive green t-shirt with a back graphic that reads 'Every cup transfers energy. None is ever lost.
  • An olive green t-shirt laid flat on a white sheet, showing the back side with a printed graphic of a pendulum swing and the text 'Every cup transfers energy. None is ever lost.
  • An illustrated orange mug filled with a hot beverage and steam, with the words 'Sailing Llamas' in blue script and a small sailboat graphic on the front, shown on a plain white background.
  • A stylized illustration of a Newton's cradle with five hanging mugs, centered on a light gray background, with pale yellow text above reading 'Every cup transfers energy. None is ever lost.
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Sailing Llamas

Newton's Cradle Coffee Mug Halloween Tee | Funny Physics Dad Shirt | Every Cup Transfers Energy Back Print Fall Physics T-Shirt

Newton's Cradle Coffee Mug Halloween Tee | Funny Physics Dad Shirt | Every Cup Transfers Energy Back Print Fall Physics T-Shirt

$29.00 USD
$29.00 USD
Sale Sold out
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Physics doesn't take a fall break, and neither does your coffee habit. This back-print tee swaps Newton's cradle spheres for stacked mugs, above the line every over-caffeinated parent lives by: "Every cup transfers energy. None is ever lost. All is consumed." A cozy conservation-of-energy joke for the grown-up running the candy bowl this Halloween.

Part of the Fall/Halloween 2026 collection — our limited-edition STEM lineup, built to match the kids' designs in this drop.

  • Olive colorway, full design printed on the back
  • Soft Bella + Canvas cotton for year-round wear
  • Classic unisex fit, side-seamed for shape retention
  • Printed to order with fade-resistant DTF transfer
  • Sizes XS–4XL
  • Tag-less
  • Machine wash cold, inside out; tumble dry low
  • The perfect parent-and-me match with our "Future Problem Solver," "Official Candy Distributor," and "Design. Build. Conquer." kids' tees
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