Saving energy is becoming fashionable, as well as frugal. LS Research is providing help for people who want to do more than swap out lightbulbs. Its Rate$aver energy usage rate monitor is a wireless, in-home display that shows consumption data from the home's utility meter. The unit itself is a power miser, operating as long as two years on two AA batteries. It also uses novel display technology that makes the data visible even after the power is turned off. It uses ZigBee, employing a 100 mW power amplifier that covers most homes without a repeater.
The promise of the Internet of Things (IoT) is that devices, gadgets, and appliances we use every day will be able to communicate with one another. This potential is not limited to household items or smartphones, but also things we find in our yard and garden, as evidenced by a recent challenge from the element14 design community.
If you didn't realize that PowerPoint presentations are inherently hilarious, you have to see Don McMillan take one apart. McMillan -- aka the Technically Funny Comic -- worked for 10 years as an engineer before he switched to stand-up comedy.
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.