Tagged With optical

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Whether you're on your first pair of glasses or your tenth, you may still be put off by phrases like "temple arms" and "lens height," especially if you're interested in shopping for your own frames. This visual guide shows you what all those terms mean so you can buy confidently.

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If your glasses need serious adjustment, take them to a professional, but there's a lot you can do to make yours more comfortable at home. Maybe they rest a little too low on your nose, or they pinch a little bit, or they're a little crooked. This graphic shows you how to handle all of those issues.

Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.

One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.