Judge a book through its cover with this terahertz camera setup

By Devin Coldewey

What do you do if you want to peek inside a book, but you’re pretty sure it’ll crumble into dust if you even crack the cover a little bit? Well, nothing: Opening a book is a critical step in finding out what’s inside. Or at least it was until someone at MIT decided that shouldn’t be the case. Read More

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Source:: TechCrunch Gadgets