It is great to know there is under development a sort of inverters adequately designed to smartly interact with the grid, considering the behaviour of...

Craftsman screwdrivers oxidize (I assume) with a white film that can be scraped off with your fingernail leaving a smooth surface. I have noticed this...

Have any of you fine folks ever worked with Acme threads? I'm going to have to get some 3/4-6 Acme internal threads put through a small 1" thick 304 S...

With modern treatment technology waste water can be recycled as potable water. Some places are already adding recycled water to their potable water....

With all this green energy promotion and brain washing that we need more solar and wind power to save the world, what to you does the following mean:...

Is there a general Rule of Thumb for designing splice plates (bolted) for rectangular aluminum tubing? I mean, as far as length of the plate and/or nu...

Burning Hydrogen, Ok, we all know that Hydrogen can be a great source of energy, if we ever find a way to safely store a decent amount of it easily....

Here is an interesting link that may be the first baby steps to a totally integrated mammal/plant organism that make it's own oxygen and absorbs it's...

WSJT-X is said to provide the FT8 protocol for digital Amateur Radio communications. FT8 is said to receive signals 19 dB below the background noise....

In building restoration work, a common stipulation is that the work be historically correct. Sometimes however, this is a misguided directive. It igno...

"The world's hugely encouraging clean energy momentum is running up against the stubborn incumbency of fossil fuels in our energy systems. That was a...

We have designed a Low voltage electrical distribution panel which has AC as well as DC. AC voltage limit is 415V DC voltage Limit is 150V This Pan...