This sidebar is part of a package that supplements our story on quantum erasure in the May issue of Scientific American Here are several things you can check if you are having trouble getting this ...

Here are some possible sources of polarizing film: Polarization.com has a special offer for Scientific American readers: An 8.5 x 6 inch piece of polarizing film for $7, US shipping included. Offer ...

My new article, ‘Quantum Entanglement of Optical Photons: The First Experiment, 1964-67’, is intended to convey the spirit of a small research project that reaches into uncharted territory. The ...