The origin of mysterious green ‘ghosts’ in the sky has been discovered
18
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Chromium is showing immense promise as a cheap, plentiful alternative to metals used in smartphone screens and solar cells
11 votes -
Multi-layer reactive foil: no fuel, no oxygen, tons of heat
9 votes -
Wire EDM is an insanely precise manufacturing method. But there's a trick behind these objects that appear to have no seam.
7 votes -
Green steel: Can we make steel without CO2 emissions?
5 votes -
The world depends on this government warehouse's collection of strange Standard Reference Materials. They're not cheap.
1 vote -
These metals destroy themselves to prevent rust
7 votes -
Gallium: The liquid metal that could transform soft electronics
7 votes -
New Tesla "million mile" battery in development that relies on little to no cobalt, poised to reshape auto economics
7 votes -
The material science of metal 3D printing
5 votes -
Metal has no odor, so what are we smelling? | Making 1-octen-3-one
18 votes