One theory about why antimatter exists was developed by John Wheeler and Nobel laureate Richard Feynman based on the idea that physical systems should be time-reversible.

约翰-惠勒和诺贝尔奖得主理查德-弗雷曼，他们基于物理体系中时间应该可以倒流的想法，提出了一种反物质理论。

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Shortly thereafter, the use of the expression "black hole" was coined by theoretical physicist John Wheeler.

其后不久，理论物理学者约翰·惠勒铸造了“黑洞”的说法运用。

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That's just what happens when John Candy, stuck on a backed-up freeway and in a rush, commandeers a 16-wheeler and turns the interstate into a monster-truck show.

这就是约翰。肯迪堵在停滞不前的高速公路上时所发生的事，匆忙间他霸占了一个16轮的大家伙，把州际公路变成了一场怪卡秀。

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We have also accepted in principle all of the recommendations of Sir John Wheeler's recent review of airport security, which will in particular enhance the co-ordination of the security effort across different departments and agencies.

BBC: Air marshal statement in full

John Wheeler, senior manager of equity trading at American Century mutual funds, figures the current system imposes a 0.5% trading cost (one-way) on big orders, between commissions, spreads and the impact such orders themselves have on prices.

FORBES: After Dick Grasso