Elements That Built Our World
Neon: The Gas Behind the Famous Glow
Meet neon, element 10: why it glows orange-red, how gas-discharge signs work, its discovery and uses, and why LED neon signs contain no neon gas.
Elements That Built Our World
Every Element Has a Story.
A continuing series exploring the materials behind discovery, industry and everyday life. Discover helium near absolute zero and tellurium’s surprising gold-rush story.
Elements That Built Our World
Helium: The Superfluid Near Absolute Zero
Helium becomes liquid near 4.2 K and superfluid below about 2.17 K. Discover what happens at 1.8 K and why helium matters to MRI and CERN.
Elements That Built Our World
Tellurium: The Element That Hid Gold in Plain Sight
Meet element 52: the connection between overlooked gold ore, useful alloys and semiconductor technology.