Nano Engines; Animal Truckin'; High-Speed Organ Printing; Printing Offices; Pepper n' Pizza; Fire Fighting HUD; About Face; United in Apostasy

Today's a heavy on the tech side, though there's also an article on more religious uniting - this time the Church of England and Scotland brought together by homosexuality.

Nanotechnology

Powering nanotechnology with the world's smallest engine phys.org

...we have now produced nano-engines that can be operated with beams of light to work pistons, pumps and valves. Made from gold nanoparticles bound together by a heat-sensitive chemical, our machines are strong, fast and simple to operate, making them extremely practical for future applications.