The shorter daylight hours and reduced sunlight in the fall and winter mean less light exposure, which can make you want to hit snooze on your alarm clock and sleep all day. This case of the seasonal ...
The neon glow lamp tester is a staple in every electronics hobbyist’s lab. Here’s how to build one right in your own home. You may wonder what’s so cool about the “historical” neon glow lamp. For ...
SUMMARY: On December 15, 2011, the U.S. Department of Energy (DOE) issued a notice of proposed rulemaking (NOPR) to establish test procedures (TP) for high-intensity discharge (HID) lamps (herein ...
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