“That’s a great question,” he answers (it isn’t, but it is an attempt to bring the issue home for non–technology experts).
When Nicholas Bowman was in high school, he thought his next steps were already mapped: He’d get a college degree and land a stable, high-paying job—enjoying the kind of economic mobility higher education has long promised.
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Costly conservation?
马拉比笔下的哈萨比斯,最本质一个特点就是,玩什么游戏都一定要赢,而且哈萨比斯有这样一个自信,他说没有我玩不赢的游戏。他们觉得蛋白质的结构是由氨基酸的序列无穷无尽的组合构成的,它一定是一个序列的问题。所以他们就用了循环神经网络来解决。后来突然发现,它不是一个序列问题那么简单。因为氨基酸之间它们不仅仅是一个排序的问题,它们还有折叠、接触,比较复杂地纠合在一起。他们又觉得,这是一个图像识别的问题,所以他们又用了一个卷积神经网络,就用来解读它的图像,效果就好了一点。突然他们发现这个也不对。