Did your primary school teacher lie to you about color?

At primary school you were taught that there are three primary colors: red, yellow and blue, and that you can mix these to make all other colors. This is not true. Or rather, it is only a rough approximation to the truth. ...

Agrochemists find proof of the ferrous wheel hypothesis

A team of agrochemists from Russia, Germany, and Chile confirmed the so-called ferrous wheel hypothesis—the turnover of iron in the soil that enriches it with organic nitrogen. The results of the study were published in ...

New wheel units could bring vehicle costs down

Vehicles could be affordably produced for a wide variety of specialized purposes using a sophisticated wheel unit developed by researchers at the University of Waterloo.

Dellingr: the little CubeSat that could

Zipping through the sky 250 miles up is a shoebox-sized bundle of detectors and electronics named Dellingr. The namesake of the mythological Norse god of the dawn, Dellingr is among a new breed of spacecraft known as a CubeSat. ...

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