A university in Wuhan, China
After the summer so many of us have just sweltered through, we need better ways to cool buildings. Researchers have now spruced up the humble window with hydrogel-glass, which can selectively block heat from the Sun without blocking its light.
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.