Oct 17, 2012 8:50 AM
You don't have a significant other's initial to wear around your neck. But you have math and science as reliable constants. The Pi to 35 Decimals Necklace ($19) is so lovely and unassuming that people won't think to make fun of your nerdy ways. They'll just think you've got a weird obsession with being accurate, right, and precise. But what's wrong with that?