PickVidsHigh speed camera reveals why sodium explodes!
推荐理由
the video has a nice balance, it's technical but not too technical
说明
这是2015年由Thunderf00t发布的一部讲解，主题归在Chemistry。它讲的是alkali metal explosions这一支里的具体问题，而不是把整个领域扫一遍。适合按兴趣直接看、不打算先补课的人。内容上可以概括成：Thunderf00t presents high-speed camera footage of alkali metals such as sodium and NaK reacting with water. The footage shows that the explosion is not caused by hydrogen ignition, as the usual explanation says. It is a Coulomb explosion driven by electrons leaving the metal.这些读者给出的理由，核心是：HN links it as the accessible video explanation of the sodium-in-water research, and when Coulomb explosions or sodium batteries come up.讲法不绑某一条新闻，过几年仍然可以当材料看。从2015年到2024年，有2位不同的读者在2个不同月份把它推荐出来，其中明确叫别人去看的有0次。适合用一集把一个概念补上的人。抓住它用的那个图像或类比，比背公式重要。如果已经会了基本定义，就把注意力放在它怎么把alkali metal explosions变成能跟着复述的例子。
视频信息
- 频道
- Thunderf00t
- 时长
- 24 分 59 秒
- 发布年份
- 2015
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