The Prokudin-Gorskii exhibit at the Library of Congress web site shows a fascinating variety of color photographs of WWI-era Russia. Prokudin-Gorskii, the Tsar's photographer, took the photos on three glass plates to achieve the color effect, and the Library of Congress shows how the photos were digitally rendered from the glass plates. more inside

Henry Lim made a working harpsichord from Legos. There's even an (admittedly painful) MP3 that proves it works. He also has other Lego sculptures on his site, but none of them are as cool as the harpsichord.

Your friends may be unpaid marketing shills. (NY Times link; couldn't get the blog version, sorry) I thought this link would be interesting given how many Curious, George posts there are. It raised a number of questions for me: more inside