Articles on Materials science

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Fires burned across Spain in summer 2026. Acting quickly to shore up old stone walls when buildings burn can help preserve a region’s history. Jose Jordan/AFP via Getty Images

Wildfire‑damaged historic buildings may not be as ruined as they appear, but saving them means acting fast

The damage is sometimes only centimeters deep. Three engineers explain the colors of burned masonry and other signs preservationists look for amid another destructive fire year.
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.

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