粘着テープを剥がすときの「ピーッ」という音は音速超えの衝撃波によって引き起こされていることが判明

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huge machines processed currency to pick out bad bills. This use of "high-speed"

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Evidence a

Before agar, microbiologists had experimented with other foodstuffs as microbial media. They turned to substances rich in the starches, proteins, sugars, fats, and minerals that organisms need for growth, testing with broths, bread, potatoes, polenta, egg whites, coagulated blood serums, and gelatine. However, none worked particularly well: all were easily broken down by heat and microbial enzymes, and their surface, once colonized, became mushy and unsuitable for isolating microbes.