An insidious kind of brainwashing goes on without your awareness, day and night. And you couldn’t live without it.
Right now, within your bodies this little engine is cranking away. Without this machine, oxygen-dependent life could not exist.
Picture a hidden city, that though it cannot be seen, is everywhere. Sound crazy? It’s real.
Advances in live data logging show how birds do it: get from here to there. Some surprises were uncovered in recent experiments.
If you tried to build a pipe that had to rotate on its long axis while maintaining its angular shape, could you do better than this?