When John Dawson turns on his table saw
he wants a Shop-Vac®
to automatically turn on, too. He might have controlled a duplex outlet
from a wall switch, but where's the fun in that? Instead, he uses a Hall-Effect
sensor to detect current flow in the saw's power cord and then turn on the
vacuum cleaner via a relay. John's design adapts well to other control
situations, too. Don't get sucked into a simple switch circuit.
Enabling the Future is designing prosthetic appendages modeled more like superhero arms and hands than your average static artificial limbs. And they’re doing it through a website and grassroots movement inspired by two men’s design and creation in 2012 of a metal prosthetic for a child in South Africa.
In order to keep an enterprise truly safe from hackers, cyber security has to go all the way down to the device level. Icon Labs is making the point that security has to be built into device components.
Three days after NASA's MAVEN probe reached Mars, India's Mangalyaan probe went into orbit around the red planet. India's first interplanetary mission, and the first successful Mars probe launched by an Asian nation, has a total project cost of nearly $600 million less than MAVEN's.
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.