Chinese researchers have created an ultra-lightweight concrete called 'marshmallow' that stops airplanes safely by controlled crushing, with a porosity of over 80%
Lara Maior
International
- / Wavebreak / Profimedia
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Meringue concrete weighs just 200 kg per cubic meter and is ten times lighter than standard concrete. It absorbs kinetic energy through controlled crushing, replacing traditional end-of-runway safety methods such as water tanks. The concrete has been deployed in 14 airports in China and has demonstrated remarkable stability, with only 3% fluctuations in properties after one year. The invention was recognized with an innovation award.
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