When you look into a mirror in the morning to comb your hair, when you see a rainbow after it rains, in medical devices that save lives, as you read this page, as you see, optics is at work.

当你在早晨面对一面镜子梳你的头发时，当你在雨后看到彩虹时，在那些挽救生命的医学设备里，当你读这篇文章时，如你所见，是光在工作。

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Jeff concluded that the solution to protect your password from rainbow table attacks is to salt your passwords.

Jeff得出结论，保护你的密码免于Rainbow表攻击的解决方案就是向你的密码中加入salt。

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You ask if you will always see a rainbow and a gate when visiting and the Angels tell you no, this is simply symbolic to your mind so that the mind will allow you to separate your journey.

你问他们，自己是否每次在到访这里时都会看到一个彩虹和一个大门，天使们告诉你不会，这只是在你脑海中形成的一个象征标示，以便你的思维能区分旅程中不同的阶段。

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