eyeglasses

Think "inkjet-like print head squirting one of the resins used for plastic eyeglasses into etched depressions relying on surface tension to form the lens". Just guessing there.

Now, still some fine-tuning and someone could create application where people can try out different make-ups or eyeglasses.

You could be shopping for eyeglasses and trying to figure out which look better - just try on both right there in the store and get a response from the A/B app. It's not limited to fashion, as people could use it for any subjective comparison.

For a lot of people, they're like eyeglasses: a mildly annoying, but not really painful, treatment that nonetheless allows them to function at full capacity once taken. Compared to real mental illness, the side effects of these drugs are minor.

I could name some more -- fast global travel, ubiquitous access to clean water, higher effective wealth because of cheap worldwide shipping, eyeglasses so I can see clearly -- but hopefully I've made my point.

That role is to report on and investigate the whistleblower's revelations of illegality, not on the kind of car he drives, the brand of eyeglasses he wears, where he went to college, or what his nextdoor neighbor has to say about their childhood." That would be cynical, if it wasn't so horrifyingly accurate.

You as the seller can't tell me that I'm not allowed to resell my textbooks, or to modify the frames on my eyeglasses, or to hire my friend to fix my vacuum cleaner. Proprietary software licenses do do that - the main difference is that is a non-rivalrous good; I can redistribute software without losing access to it myself.

With Google Glass they seem clueless on both sides of the equation: Never mind the role that facial symmetry plays in beauty or the billion-dollars industries that have sprung up to relieve people of their despised eyeglasses, more data is always better, affirmative? And why would even silly water-machines mind being always photographed everywhere?

There's a good parallel here or startups: Tim started with a 'minimum viable product' of a small mirror attached to a pair of cheap eyeglasses, and produced a high quality oil painting in a matter of hours despite lacking any special painting skills. But once you get the trick, the business of reproducing an image turns out to be the least interesting part.

Are waiting for a $2 pair of eyeglasses, a $10 solar lantern and a $100 house." Interestingly, this article doesn't even touch upon the real challenge: It's not in mass producing these items at low cost; it's in gaining widespread distribution to those one billion customers -- across different countries and cultures, to thousands of groups of people each motivated by different things.

I can see why medical devices like pacemakers or implanted replacement joints need more regulation, but I don't understand why a prosthetic needs more regulation than other consumer products like gloves or eyeglasses.

But it seems that over time, people have come to rely on their employer-sponsored plans to protect them from routine expenses like dental cleanings, eyeglasses, etc. That's not insurance--that's paying a premium to a middleman to manage your bills for you.

If a witness testifies, "I saw him shoot the victim," and you can show that it was dark on that occasion, and the witness has bad myopia and wasn't wearing his eyeglasses, you are a long way toward undermining the witness's testimony on completely legitimate grounds. I am often puzzled why many Hacker News readers are so credulous about stories when it is plain that the person writing the story has no basis of knowledge adequate for making the extraordinary claims submitted with the story.