The Retailer of the Lost Electronics Ark

From Nixie tubes to Numitrons, photomultipliers to high-voltage rectifiers, this unique virtual electronics warehouse has it all. And then there’s the Slide Rule Universe. IEEE Spectrum, November 2007. Read More

The Science of Teaching

Nobel Prize-winning physicist Carl Wieman talks about his latest passion: transforming the way students learn science. University Affairs, May 2007. Read More

More than Just Poor

A Canadian geographer leads an international effort to help the catadores of São Paulo find dignity and an economic foothold in the Brazilian metropolis. Torch, Spring 2006. Read More