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922
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555
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950
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269
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1210
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2920
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1755
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1405
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970
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1016
- In the early days of coal mining, workers had to rely on rudimentary tools such as picks, shovels, and wheelbarrows to extract coal from the earth. These tools were not only labor-intensive but also posed significant safety risks. Miners worked in cramped, dark conditions, often exposed to harmful gases and the risk of cave-ins. Despite the dangers, their dedication to extracting coal was unwavering, driven by the growing demand for this vital energy source.
Inspired by the flexibility and rigidity of natural spider silks webs, a research team led by Prof. YU Shuhong from the University of Science and Technology of China (USTC) developed a simple and general method to fabricate superelastic and fatigue resistant hard carbon aerogels with nanofibrous network structure by using resorcinol-formaldehyde resin as a hard carbon source.
