ニュートンのリンゴの木
念願のニュートンのリンゴの木を小石川植物園で見てきた。残念ながら、今は季節ではないので花や果実は見られない。また、よい条件で撮影にこようと思う。もちろん、リンゴが落ちるのを見たから万有引力を発見というのではないのはありますが。地上の世界と天上の世界が同じ法則性に貫かれている点に注目ということで大切なことです。それよりも、植物は分枝等で同じリンゴの木ということです。
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自然科学
- 安孫子誠也: アインシュタイン相対性理論の誕生
特殊相対性理論の成立にマクスウエル電磁場理論が前提になったという思い込みが特殊相対性理論形成史の研究者たちがみのがしたてきたのは、自伝ノートの間違いからきているなど小さい本（講談社現代新書）ながら新しい問題提起の書である。 (★★★★)
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