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Antihydrogen T-ShirtAntihydrogen is not science fiction. It is antimatter with a low tolerance for ordinary containers. .: 100% Airlume combed and ringspun cotton (fiber content may vary for different colors) .: Light fabric (4. 2 oz yd (142 g m)) .: Retail fit .: Tear away label .: Runs true to size S M L XL Width, in 17. 99 20. 00 22. 01 24. 02 Length, in 27. 99 29. 02 30. 00 31. 02 Sleeve length, in 8. 90 9. 17 9. 45 9. 72

It is also the densest naturally occurring element

erbium is one of several rare-earth elements associated with the Swedish locality Ytterby

It is the element that helps high-temperature machinery retain strength under extreme conditions

Gauge bosons carry forces

meitnerium is a synthetic superheavy element

with additional roles in lasers and pink glass

glass polishing powders

radon is important because inhaled decay products can damage lung tissue

Its signature use is research into nuclear structure and transactinide chemistry

The element has no commercial use

flat-panel displays

and trigonometry fit together