Santosh Ostwal这十几年来都为一个费解的难题而困扰：如何让印度的农民更方便地灌溉作物。

For decades Santosh Ostwal obsessed over an obscure problem: how to make it easier for Indian farmers to water their crops.

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实际上，虽然时间幻觉是大脑自身产生的，但正如《盗梦空间》的情节一样，这种幻觉也是个令科学家感到费解的难题。

In fact, the illusion of time may be created by the brain itself, which is at least as much of a head-scratcher as the plot of Inception.

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和同时代以及后来许多人一样，我们思索宇宙的浩瀚，问古老的问题——有关宇宙的起源的“谁”、“何时”以及“为什么”，这可是所有宇宙难题中最令人困惑和费解的。

We pondered, as so many did then and since, on the vastness of the Universe asking the age-old questions, the “who”, “when” and “why” of that most puzzling of cosmic conundrums[5].

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