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Cheap Lens, Hard Standard

The $2 Intraocular Lens Is Easy to Price-Match and Hard to Quality-Match

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A living collection from the Altringer Eagle Lab at Dartmouth’s Thayer School of Engineering. Problems come from expert sources — research agendas, standards bodies, agencies — and every source is fetched and checked before a problem enters; independent readers re-tag samples blind so the genes can be trusted.

How verification works Data & method Bring us a problem Teach with the collection