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Inspired by the human heart, Penn Engineers design tear-resistant soft material（图）
抗撕裂软材料 人类心脏 机器人
2023/7/7
The human heart beats more than two billion times in an average lifespan. The aorta’s tissue is strong enough to withstand this stress, yet flexible enough to maintain a steady flow of blood. But how ...
How to design a sail that won’t tear or melt on an interstellar voyage（图）
星际航行 帆 机械工程 应用力学 航天器结构与设计
2023/7/11
Astronomers have been waiting decades for the launch of the James Webb Space Telescope, which promises to peer farther into space than ever before. But if humans want to actually reach our nearest ste...
A Comparative Analysis of Tear Strength Methods
tear force tearing strength testing methods static tearing
2009/2/7
Fabric utility parameters most often depend on its mechanical properties. The most important
strength parameters include unidirectional tensile strength, tear strength and elasticity properties. In t...