In this graphic you can see how the crack ruptures the microcapsules filled with a healing agent, which contacts the catalyst to bond the crack closed. The market for this kind of self-healing material goes far beyond spacecraft. Approximately 20 million tons of composite material is used every year for engineering, defense projects, offshore oil exploration, electronics and biomedicine. This self-healing material will show up in many everyday items, including polymer composite circuit boards, artificial joints, bridge supports and tennis rackets. Inc. All rights reserved.
Meteors burn up when they hit the earth's atmosphere.
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