• Chem Prof Teaches Bad Physics

    Updated: 2010-03-11 16:34:50
    Why does it matter whether atoms are moved by quantum effects? A few days ago, I received an email from a student who was interested in molecular manufacturing. He had asked a chemistry professor whether molecular manufacturing could work. The...

  • Electron Microscope Images, Free

    Updated: 2010-03-05 14:23:27
    An electron microscope company, Aspex, is advertising that they'll scan a sample you send in, for free, and post the image on their website for you. Here's the page with the signup form: "Send Us Your Sample." While browsing their...

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