I am listening to this program about energy efficiency on PBS. They stated that in terms of light to heat ratio, the incandescent light produces 5% light and 95% heat, and a LED light produces 25% light and 75% heat. My observation is that despite the LED light’s 5 times higher efficiency, there is still
(Read More…)
One important reminder I should include is that radioactive materials and radiation can be hazardous to your health and high levels can cause deadly diseases such as cancer. The Geiger counter can tell when you are near radioactive substances but it does not tell you how dangerous the substance is. So even though this is
(Read More…)
An interesting ‘free energy’ generator (link below). It’s a very large light bulb to be operating from a 1.5 volt battery, especially that bright. If it was incandescent, it would not be so bright white, which leads me to believe that it has 1 or more LEDs. If so, then it must have a Joule
(Read More…)
Well, I am trying to transfer my at&t “wireline” home phone number to a new cell phone. I’m having a very difficult time doing it. Here’s the ridiculously long story. My at&t home phone has the basic phone number on it that I’ve had for a very long time, so I want to keep that
(Read More…)
My friend has been living with an old flip-phone with a crack in the still readable screen and just basic phone service, so I thought it would be good to get him a used phone, but something a few generations newer. I got a used Samsung Zeal, which is (I call it) a flip-flop phone.
(Read More…)
December 30, and about 25 hours before a new year. I should change all my smoke alarm batteries. Since I’ve had my Samsung Galaxy S4 phone, I have had trouble with the phone touchpad during making or receiving phone calls. Soon after I got it a year and a half ago I got a Body
(Read More…)
