Metallic glass (amorphous metal) is a sturdy material that is finding its way into a number of applications, including nanomolds, as a biomaterial for setting broken bones, and for use in cell phones and other devices. Sometimes, however, the material can crack or break. Researchers at Johns Hopkins University have been studying this phenomena using computer simulations to determine how much energy is required to crack the material, and how susceptible it is to breakage.
I can’t tell you how many movies I’ve seen where some genius kid or eccentric tinkerer or intelligent alien assembles really cool technology using common household electronics. Remember E.T. building that interstellar communicator out of an umbrella and a record player? I even saw a movie once where a kid built a zombie-killing weapon out of a laser disc player. Continue reading
Alternative energy ideas were on parade last month at the Advanced Research Projects Agency-Energy (ARPA-E) Innovation Summit in the nation’s capital. The event allowed energy startups to pitch their ideas to potential investors and venture capitalists.