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学是学非 第一辑

1 季节
54 插曲

学是学非 第一辑 - Season 1 Episode 14 面粉会引起爆炸?

學是學非,明辨是非


(2 votes, average: 9.50/ 10)

30 分钟 2025 HD

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网上传闻指出粉状物质可以成为伤人的武器,例如面粉遇火,会产生巨大的火焰,甚至引起爆炸,杀伤力惊人。是非精主持以厨房常见的面粉、糖粉及粟米粉做测试,并邀请香港理工大学食物安全及科技研究中心副总监陈百豪博士,剖析粉状物质的潜在危险性。 夏日艳阳高高挂,最适合和阳光玩游戏,皮肤科专科医生陈厚毅就「涂上太阳油就能长时间晒太阳?」、「防晒产品度数愈高愈好?」、「太阳眼镜愈深色,防紫外线能力愈高?」、「在阳光下,不觉热就不会晒伤?」的「晒命」谬误作出澄清。 网上流传一段短片,用酒精灯将银色硬币加热15秒后,硬币颜色会由银变金。香港理工大学应用生物及化学科技学系助理教授容家富博士,利用化学原理,将银币变金币的「魔法」重现。 除了猫狗,兔子亦是受欢迎的宠物之一,然而不少人对饲养兔子只是一知半解。对兔子情有独钟、拥有相关知识的香港兔友协会干事周玉霞,解说兔子温驯不咬人、不用喝水、只爱吃红萝卜及不用洗澡之谜。

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