via www.kurzweilai.net
For astronauts living in space with objects zooming around them at 22,000 miles per hour like rogue super-bullets, it’s good to have a backup plan. Although shields and fancy maneuvers could help protect space structures, scientists have to prepare for the possibility that debris could pierce a vessel. In the journal ACS Macro Letters, one team reports on a new material that heals itself within seconds and could prevent structural penetration from being catastrophic.
It’s hard to imagine a place more inhospitable to life than space. Yet humans have managed to travel and live there thanks to meticulous engineering. The International Space Station, equipped with “bumpers” that vaporize debris before it can hit the station walls, is the most heavily-shielded spacecraft ever flown, according to NASA. But should the bumpers fail, a wall breach would allow life-sustaining air to gush out of astronauts’ living quarters. Timothy F. Scott and colleagues wanted to develop a backup defense.
The researchers made a new kind of self-healing material by sandwiching a reactive liquid in between two layers of a solid polymer. When they shot a bullet through it, the liquid quickly reacted with oxygen from the air to form a solid plug in under a second. The researchers say the technology could also apply to other more earthly structures including automobiles.
The Latest on: Self-healing material
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The Latest on: Self-healing material
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- Self-healing robotic gripper could be the future of sustainable soft roboticson November 27, 2023 at 11:04 am
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- Nosonovsky, Michael ; Rohatgi, Pradeep K.on November 23, 2023 at 12:06 am
This comprehensive review of biomimetic materials with self-healing, self-lubricating and self-cleaning properties addresses theoretical and practical aspects of the topic, especially where they have ...
- Biomimetics in Materials Scienceon November 22, 2023 at 11:51 pm
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- Study: Inactive bacteria powers self-healing concrete to repair crackson November 21, 2023 at 6:30 am
Researchers have created a novel concrete technology called BioFiber that leverages the power of some dormant microbes.
- Self-healing concrete patches up cracks with dormant bacteriaon November 20, 2023 at 12:07 am
Concrete may seem strong and permanent, but it can be surprisingly vulnerable to the elements. Now researchers at Drexel University have demonstrated a type of self-healing concrete embedded with ...
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