Stephen B Johnson
@stephen-b-johnson-lrt5rX Member
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Multicast - the good, the bad, and the ugly
Here is a good example of how a poorly planned use of multicast groups can look and what it looks like after I corrected the multicast...
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DC-3 - How cool it'd be to rehab one
The responsiveness and controls of the F/A-18 are quite awesome. It's not like we can get a personal one though. A Marine buddy from my squadron...
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Where in the world is everyone from?
I'm in Madison, Wisconsin. It's part of the United States.
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Comparison of a device manager v. simple Perl script
Sorry about that... These can be viewed now.
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An engineered machine / beast
It's actually $3M with all the options. If you want to see something really crazy, google this address. This is a buddy of mine's house (he...
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Good Aeronautical engineering paper presentation topics list
Interestingly... I have some of the initial concept designs for the B-1B which my grandfather had from his designs. I think it is a 9000psi hydraulic...
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Good Aeronautical engineering paper presentation topics list
(1) Reduction of fuselage cracking in the engine bays. I've seen this as a problem on multiple types of military aircraft. (2) Show why the fins...
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Designing a screw
You should make it left handed too. Then you could sell left handed screwdrivers. I already have left handed wrenches and a left handed hammer.
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ROR on Ubuntu 14.04
You could install wine and run windoze executables, but I'm not sure why anybody would want to do such a thing.
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What is deadlock in operating system?
Since nobody ever intends to encounter deadlock, there is a nice way some processor allow you to recover in case one is encountered. Using a hardware...
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What is deadlock in operating system?
In a RTOS, you can get into a priority inversion too. I recall this affecting NASA with the Mars Pathfinder. This can seem like a case...
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uDrone
In all seriousness, insect or plant like devices can be used as a covert sensor network even if they have limited or no mobility. They do...
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uDrone
A funny story. When I was in an F/A-18 squadron, we'd see Palmetto bugs (kind of like large cockroaches) around the hangar at night. We'd put...
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First computer
Stephen B JohnsonWhat was the first computer that you ever had or used? I had a TI 99-4A
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How does current flow in an AC Circuit.
AC current "flows" like it is alternating. Small displacements back and forth...repeating over and over with an amost deterministic period. It will usually lag the voltage,...
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Can we convert sound energy into electrical energy?
Any form of energy can convert into a different form of energy. It's the efficiency of the transfer that varies. Light to heat or vice versa...
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Can someone explain Raspberry Pi3?
The Raspberry Pi or the Beaglebone Black are awesome little devices. A decent performing ARM processor, lots of GPIO, and can easily utilize a linux distro...
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What is the use of core in a transformer?
No. This is the answer to whether a transformer can be designed without a core. A transformer without a core would be two inductors coupled with...
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