[Tomas] wanted to try building something mechanical with electronic control, and ended up with this sorter that organizes beads into one of two containers based on color. He built most of the ...

[Editor's note: this is the second installment in a relatively large project. The engineering challenge faced by these students was to create a talking color detector. I've elected to print the entire ...

An inexpensive detector developed by a NASA-led team can now see invisible infrared light in a range of “colors,” or wavelengths. The detector, called a Quantum Well Infrared Photodetector (QWIP) ...

I’m still not clear on exactly what’s legal when it comes to radar detectors, but if Cobra is sellin’ them, I can’t see anything wrong with buying them. And if you want an even bigger bang for your ...

Nespresso fans rejoice! If you like coffee (of course you do) and are a Nespresso fan, chances are you are one of two types of persons: the ones that chosen one type of capsule and stick to it or the ...

As mentioned above, there are two basic functions of the LED light source. One function is the illumination of the object in question with white light such that the detected light spectrum is unbiased ...

An inexpensive detector developed by a NASA-led team can now see invisible infrared light in a range of "colors," or wavelengths. The detector, called a Quantum Well Infrared Photodetector (QWIP) ...