When working on the ATF Advance Tactical Fighter F-22 we researched self shielding. So the number is 18 twists per foot. However the gauge does not have to get to be very small before the wire is too and stiff to twist. Shielding was very important to this stealth aircraft. My mentor researched wire impedance. The theory was developed and proven in the 1930 - 1940. What are the components of wire — cable impedance?
MIT students modified a 3D printer to enable it to print more than one object and print on top of existing printed objects. All of this was made possible by modifying a Solidoodle with a height measuring laser.
This Gadget Freak Review looks at a keyless Bluetooth padlock that works with your smartphone, along with a system that tracks your sleep behavior and wakes you at the perfect time in your sleep cycle to avoid morning grogginess.
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.