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Comment Display only or is input required? (Score 1) 197

I have recently installed a new exhibition on a science center where there are about 90 displays, requiring different levels of user interactivity. There are 7 computers driving those displays, ranging from 8 to 18 /computer. I found that I was more limited by the input devices than by the number of displays. Hint: check AMD W600 graphic cards. Find a suitable board, stick 3 of 4 of those in it and have fun.

Comment Baudline (Score 1) 172

From their website:
"Baudline is a time-frequency browser designed for scientific visualization of the spectral domain. Signal analysis is performed by Fourier, correlation, and raster transforms that create colorful spectrograms with vibrant detail. Conduct test and measurement experiments with the built in function generator, or play back audio files with a multitude of effects and filters. The baudline signal analyzer combines fast digital signal processing, versatile high speed displays, and continuous capture tools for hunting down and studying elusive signal characteristics."

I have used it also as an oscilloscope (waveform wiindow). Runs on linux and osx.

Official website.

Comment Siderurgy (Score 2) 119

Doesn't the greek word for iron mean something like "came from the sky"? I've once thought about why the modern iron industry is often called siderurgy, and came across a few references for the use of iron from meteorites, as early technology wasn't sufficient to extract it from the ore.

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This is clearly another case of too many mad scientists, and not enough hunchbacks.