Recent content by KD5ZXG

PDP11 clones weren't good enough?

Earlier version was less efficient, but details in old article help fill some of the blanks. https://news.utdallas.edu/science-technology/no-batteries-required-energy-harvesting-yarns-gene/ “In a normal capacitor, you use energy — like from a battery — to add charges to the capacitor. But in...

https://news.utdallas.edu/science-technology/carbon-nanotube-yarn-2023/ Similar to artifical muscle, but generating electricity instead. Twists go same way, so what keeps from tangling when slack? How does one know which end will be positive? Do I maybe have to put in current to get bigger...

Clearcut case of click-bacon. Sorry, not sorry.

“In a conventional metal, the average velocity of electrons is responsible for conductivity, and in a superconductor, the electrons pair into Cooper pairs to flow uniformly with no resistance or dissipation,” Zhang said. “By contrast, in twisted bilayer graphene, the electrons move very, very...

Wake me when you got colossal caves running on multiple teletypes.

Nobody expected the switched state to persist after drive voltage was taken away. https://news.mit.edu/2023/study-superconductivity-switches-and-magic-angle-graphene-0130 So what, a memristor without resistance now, is that even allowed?

Nevermind PSI, what of whales catching fire from all them metric gallons of molten salt?

Was thinking concrete diving bell. Bubble going nowhere without dissolving first... Does it work if air inside the bell is imperfectly separated from water by a floating floor or tarp? How might maintenence compare to a weighted baloon?

https://www.engineering.com/story/energy-storage-in-underwater-balloons I'm geussing compressed air can't be in direct contact with water or it'd just dissolve? Mention in passing but neglect to say how or how long they might store heat from compression to use for later decompression. That...

Not to worry, any loose trillions will find other pockets.

The breeding reactor doesn't aim to make useful power, only mixed fuel. Half the bred fuel will be clean fusing Helium3, the other half dirty Tritium. What to do with a spray of extra neutrons, maybe breed more Deuterium? Nothing will be done with Tritium but sell it or sit on it till it decays...

Timeframe of the problem. Take a milisecond pulse, stretch and shape it over 1/120th of a second to make a half-sine. Else repeat often enough to pulse frequency modulate a half-sine. Not about storing for days...

What concerns me are resistance and inductance from/to a basement of capacitors. Each requires more cable. Brief pulses want a solution on a short leash. Avoiding turbines should not mean throwing a flywheel out with the bathwater. Borrow a homopolar motor/generator or compulsator from railgun...

Experimenting with CRUMB (on Steam) . Lacks a 74HC153 or other 4Way MUX, but made do with 2Way...