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Good afternoon, This is not Paul, but rather his son Robert. I am very sad to write here that my dad passed away on Saturday...

It is difficult to get a prop-driven airplane to exceed the speed of sound, yes. But a centrifugal fan should be able to produce a...

The fan lowers the pressure at the inlet. Air from all directions begins to flow toward the fan, turning gradually as it accelerates...

Just keep the temperature tolerance of the device in mind. As long term storage in humid environment a sealed plastic bag with some...

The idea is good, but I have some concerns regarding either the 'debloater' and also the debloated piece vs. MS future interaction (and...

Moisture can build up in component (IC) casings and PCBs if they are not used for some time, then they pop once started up (or...

Once there is life, every precursor material is just food. No more rolls with that dice. Regarding probability, a better perspective is...

At the college, everyone’s gone home for Christmas break except these two.

Mid December Balboa Park trip. I took the city bus again. Figure 1. Park Blvd. bus stop. I was waiting at the bus stop on the other...

https://www.bbc.co.uk/news/articles/cwyn2j31glxo Hopefully I will still be around to see this completed, then my images (actually all...

I recently bought a new camera, Sony A6500 (second hand) which is a significant upgrade from Sony A6000. I got it because (1) it's got...

Dissolving or selectively dissolving or breaking up minerals may require specific mixtures of acids, at specific pressures and...

No, I mean "any glass that is SiO2 based" - which in practice means all of them. Sure, there are differences, but as long as we are...