Word: thermostat
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...people enjoy roller coasters; others won't go near them. Some skydive; others can't imagine it. Not only are thrill seekers not put off by risk, but they're drawn to it, seduced by the mortal frisson that would leave many of us cold. "There's an internal thermostat that seems to control this," says risk expert John Adams of University College London. "That set point varies from person to person and circumstance to circumstance...
...sensors that detect motion, the opening and closing of doors, even the presence of water or freezing temperatures. There are carbon-monoxide and smoke alarms, a wearable "panic pendant" as well as a panic wristwatch. You can get automated light dimmers that plug into power sockets, and even a thermostat...
...anyone walking through my front door. I coupled a motion sensor with a lamp controller, so that the light went on whenever someone walked by. The coolest part was that I could also command the lights and camera directly from the Web page. I did not test the thermostat, but like the other devices, it can be controlled remotely or set on a schedule...
...less heat or air-conditioning. Caulking and weather-stripping doors and windows can slash CO2 emissions by 1,700 lbs. per year. If your water heater is more than five years old, wrapping it in an insulating jacket will save 1,000 lbs. of CO2 emissions annually. (Keeping its thermostat at 120?F or less will save another...
...programmable thermostat. It will save you about 1,800 lbs. of CO2 annually. Invest in energy-efficient appliances. (Ones with the EPA?s EnergyStar label are a good bet.) Replacing a 20-year-old refrigerator with a high-efficiency model can lower CO2 emissions by 1 ton per year. A new washing machine that uses less water and less energy can cut emissions...