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Agar is so critical that since WWII, scientists have tried to find alternatives in the event of a supply chain breakdown, especially as recent shortages have caused similar alarm. But while other colloid jellies have emerged, agar remains integral to laboratory protocols because no alternatives can yet compete on performance, cost, and ease of use.
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"If we're producing technology our customers can't live with, that's our failing," he says, explaining that FireAngel alarms have been calibrated to avoid making them overly sensitive, in order to reduce false alarms.