Wuhan University

We've already heard about conductive inks that allow electrical circuits to be hand-drawn onto materials, using a ballpoint pen. Scientists have now developed a new such ink, which they claim is cheaper and more functional than others.

A Chinese team has demonstrated a prototype of a microwave plasma thruster capable of working in the Earth's atmosphere and producing thrust with an efficiency comparable to the jet engines you'd find on modern airliners – under laboratory conditions.