PickVidsTMS Bicycle, stable without gyros or trail (TMS=two-mass-skate)
推荐理由
Explanation of the research in question behind this article, as well as a demonstration of the bike they based the research on.
说明
这是2011年由Arend Schwab发布的一部演示，主题归在Fundamental physics。它讲的是bicycle dynamics这一支里的具体问题，而不是把整个领域扫一遍。适合已经能看懂基本术语、想继续往下走的人。内容上可以概括成：Arend Schwab demonstrates a research bicycle, the two-mass-skate design, that balances itself without gyroscopic effects or trail. It challenges the common explanations for why a moving bicycle stays upright.这些读者给出的理由，核心是：HN commenters cite it as the author's own demonstration of research showing that bicycle stability is not explained by gyroscopes.讲法不绑某一条新闻，过几年仍然可以当材料看。从2013年到2019年，有2位不同的读者在1个不同月份把它推荐出来，其中明确叫别人去看的有0次。适合先看结果再决定要不要深挖的人。先看它做成了什么。如果已经会了基本定义，就把注意力放在它怎么把bicycle dynamics变成能跟着复述的例子。
视频信息
- 频道
- Arend Schwab
- 时长
- 2 分 39 秒
- 发布年份
- 2011
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