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Thought for the day...

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cmartinez

cmartinez

Joined Jan 17, 2007
8,768
nsaspook said:
Interesting. From the abstract: hole mobility (a measure of ease of carrier drift) is pretty low at 2.0 cm2/Vs compared to ~1,400 cm2/Vs in undoped silicon. I'm sure it works as a transistor or solid-state sensor but the speed/sensitivity potential might be limited much like how typical PNP transistors are slower than the same class NPN transistor because of lower mobility.
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I'm looking forward to when the proper technology is available to study the surface of Venus (460°C) ... some have proposed plain old vacuum tubes, which are quite capable of handling those temperatures, but I can't possibly imagine a feasible computer made that way.
 
spinnaker

spinnaker

Joined Oct 29, 2009
7,830
nsaspook

nsaspook

Joined Aug 27, 2009
16,330
spinnaker said:
Dust off the ENIAC and get enough lifting power or

https://www.extremetech.com/extreme...istor-that-could-one-day-replace-silicon-fets
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Those FE transistors are pretty cool. I've worked on electron-beam lithography equipment with field emission scanning electron microscopes that required extreme levels of vacuum at the LaB6 and FE tips for proper beam levels.

https://spectrum.ieee.org/nanoclast...w-metalair-transistor-replaces-semiconductors
The idea of scaling the emitter tips smaller than the mean collision size of air molecules is ingenious but prone to arc overs form the very high local e-field gradient and tip dulling like our units had.

FE tip

LaB6 tip
 
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killivolt

killivolt

Joined Jan 10, 2010
836
nsaspook said:
https://newyork.cbslocal.com/2018/12/12/adulting-classes-millennials/
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Experts say millennials are behind because many haven’t left childhood homes. The U.S. Census Bureau said in 2015, 34 percent of Americans between 18 and 34 still lived with a parent. That’s compared to just 26 percent in 2005.
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Isn't that what Google is for? </Sar/> When I was a kid I had to stand on a chair to cook myself something either out of a can, warm left overs, eggs etc. I was a latch key kid. Early on we didn't have a lot of money so I had to create my own income, mow lawns, shovel walks, sell cleaning products door to door, work in my Uncles Auto Repair shop, I created dozens of opportunities. Still today I have to have some sort of project to keep my mind and hands busy, but I always had money in my Jeans. I think budgeting comes when you earn it and don't want to spend, what may have taken hard work in time to earn.

kv
 
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