A “civil war” is brewing in polar science. As climate change rapidly melts Earth’s ice, sides are being drawn among ...

At just 25, Cecilia Payne-Gaposchkin applied quantum physics to a treasure trove of astronomical observations to show that stars are mostly hydrogen and helium.

I needed an XY motion platform for an upcoming project, and had some prior CAD work for a "T-Bot" parallel cartesian mechanism. Let's machine some parts and assemble! Not as simple as v-wheels and ...