Bacteria (fast white spots) swim through human blood in a microfluidic substrate with guidance from an MRI machine. The bacteria swim against the current, past red blood cells (slower white spots).
Video by The NanoRobotics Laboratory, École Polytechnique de Montréal (EPM) - Read the Article
A clever flute-playing robot offers an impressive rendition of Flight of the Bumblebee. Its “lungs” consist of a bellow that moves air in and out, and its “tongue” can block air in two places to transition between notes. Its “vocal cords” are a vibrato device that can change vibrations according to the air flow, and it even has elastic “lips” that can control its airstream, changing in width, thickness, and angle as it plays.