Tag: arms
This drone folds its arms in flight to go anywhere
This quadcopter changes its geometry in the air to reduce its dimensions and squeeze through tight gaps. Its mechanisms are rudimentary, only hinges and gravity are required. You will also…
Milky Way: Gaia would have revealed fossil spiral arms!
Astronomers continue to analyze data collected by the Gaia astrometric mission concerning nearly two billion stars in the Milky Way. They revealed curious structures that could be the fossil remains…