Aerogel, one of the world's lightest solids, can withstand a direct blast of 1kg of dynamite and protect against heat from a blowtorch at more than 1,300C.
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Scientists are working to discover new applications for the substance, ranging from the next generation of tennis rackets to super-insulated space suits for a manned mission to Mars.
Comment: A footprint - in the mud - in the egyptian desert? For years Hawass has been denying the possibilities of water marks on the sides of the sphinx. Will this convince him to review the evidence?