Whatever the case, a wounded ISS will have been fairly rotten luck. Back in 2017, scientists from NASA and a Russian space contractor put the odds of this worst-case scenario at 1 in 121. As of late 2025, NASA told WIRED the risk of debris causing a depressurization event in any six-month period was somewhere between 1 in 36 and 1 in 170.
But e-bikes containing lithium-ion batteries are a newer challenge. "When a battery fails, it doesn't necessarily ignite, it will often produce some off-gases," says Stephen Welch, senior lecturer at the University of Edinburgh's Fire Research Centre. "Those off-gases are toxic and flammable. If they accumulate, you can have an explosion risk."
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The project involved collaboration with chemical engineering researchers in Colombia, including Nikolay Estiven Gomez Mesa and Professor Alis Yovana Pataquiva-Mateus from the Department of Engineering at Universidad de Bogotá Jorge Tadeo Lozano. Their work in the Nanobioengineering Research Group in Bogotá focused on developing new polymer materials.
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