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Ultrasonic speakers are lowered into the sea to test if they scare fish away
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对从业人员：传统电力岗位保持稳定，新型电力系统、数字能源、算力调度、绿电交易人才需求暴涨。既懂电力、又懂AI；既懂电网、又懂数据中心的跨学科人才，将成为行业争抢的核心资产。
Agar is prized among chefs for its ability to form firm, heat-stable gels at remarkably low concentrations — typically just 0.5-2 percent by weight. Culinary agar is available as powder, flakes, strips, or blocks, and makes up about 90 percent of the global use of agar. Unlike gelatine, which melts at body temperature, agar gels remain solid up to about 185°F (85°C), making it ideal for setting dishes served at room temperature or warmer. It is also flavorless and odorless, vegan and halal, and can create both delicate jellies and firm aspics. Yet, while increasingly employed in kitchens worldwide, agar had not yet entered the laboratory.