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Helium Element-2 T-ShirtNamed for Helios, the Greek sun, helium was first detected in sunlight before it was found on Earth. Its signature use is cryogenics, especially cooling superconducting magnets in MRI machines, and it also shows up in balloons, leak detection, and deep sea breathing mixtures. Its low boiling point and chemical inertness make it valuable in places where ordinary gases would fail. Product notes: Made to order graphic T shirt with the design shown on

Named for Ytterby

three mismatched signals

: Tear away label

Its signature historical uses include thermometers

scandium is a light transition metal that tends to appear in small amounts rather than big ores

certified for safety and quality

Climate displacement is as old as humanity

Its abundance in minerals and its role in electronics make silicon one of the most consequential modern elements

Climate Action Yesterday is a blunt climate shirt about charts

Its atoms are created in nuclear-fusion experiments and studied through their decay products

and instrument pivots

Its signature use is nuclear reactor cladding because it absorbs relatively few neutrons