Articles on Materials

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Under usual, everyday conditions, carbon atoms exist as stacks of hexagonal sheets, but extreme pressure and heat rearrange them to form diamonds. Kateryna Kon/Science Photo Library via Getty Images

Can we remove or decrease spaces between atoms or molecules?

Turns out, changing the way atoms and molecules are arranged in a substance can give it new and fascinating properties.
Not all space debris burns up in the atmosphere before it makes it back to Earth. PaulFleet/iStock via Getty Images

Falling space debris poses an escalating risk as spacecraft get stronger and more heat resistant

Some engineers are prioritizing ‘design for demise’ and planning satellites that are more likely to completely burn up in Earth’s atmosphere at the end of their lifespan.
Visitors get the sensation of floating above Manhattan at the Summit at One Vanderbilt. These rooms are built with low-iron glass, made with ultrapure silica sand. Benno Schwinghammer/picture alliance via Getty Images

Where does your glass come from?

Glass seems simple − it’s just sand and a few more ingredients. Yet mining and production are rarely local, raising questions about sustainability.

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