物理学家吉姆·阿尔-哈利利批评科技高管追求永生的努力毫无意义1。他指出"我们在宇宙中存在的时间间隔是有限的"1，暗示即使有延寿手段，人生的有限性也是客观现实。这一评论针对技术高管布莱恩·约翰逊的做法——他曾尝试注射其17岁儿子的血浆以对抗衰老，但后来表示未见效果1。
阿尔-哈利利将在皇家学会圣诞讲座中深入探讨时间的物理学本质1。根据爱因斯坦相对论，时间并非以相同速率对所有人流逝1，且所有时间——过去、现在、未来——同时并存，就像空间中的所有点都存在一样1。他还将讨论物理上时间旅行的可能性，其原理基于相对论中的"闭合类时曲线"1。阿尔-哈利利声称已解决了困扰科学家数个世纪的"时间箭头"问题，将在圣诞讲座中揭晓答案1。该讲座将由BBC和iPlayer在12月下旬播出，由CGI赞助1。
Physicist Jim Al-Khalili has criticized technology executives for pursuing immortality, arguing that human existence is finite and should be valued accordingly. 1 His remarks come as tech leaders pursue various life-extension methods; tech executive Bryan Johnson previously attempted to combat aging by injecting plasma from his 17-year-old son, though he later stated the treatment showed no effect. 1
Al-Khalili will explore the physics of time during the Royal Society Christmas Lectures, where he plans to reveal insights into Einstein's theory of relativity, the possibility of time travel, and what he describes as the solution to the long-standing "arrow of time" mystery that has puzzled scientists for centuries. 1 According to relativity theory, time does not pass at the same rate for all people, and all moments in time—past, present, and future—exist simultaneously, much like all points in space coexist. 1 While time travel is physically possible in theory, it would require what Einstein's relativity describes as "closed timelike curves" to achieve. 1
The Christmas Lectures will air on BBC and iPlayer in late December, sponsored by CGI. 1
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