Simply by observing a particle's path – even if that observation should not disturb the particle's motion – we change the outcome.
Foot mechanics may be evaluated by observing a patient's gait.
This character learned how to perform various acrobatic feats by observing a human.
The existence of those planets was inferred by observing a wobble in their parent stars.
It is only by observing a consumer's choices that economists can infer his preferences.
Consider two agents who learn the value of an unknown parameter by observing a sequence of private signals.
By observing a beetle's chase, scientists have derived a physical law that it follows to optimize its predation strategies.
The calibration was done by observing a dense field of stars with the spacecraft in normal pointing mode.
In 2009, they reported that sim- ply by observing a pendulum, Eureqa can rediscover some of Newton's laws of physics.
An energy absorption phenomenon was revealed by observing a reduced rebound height when the lattice exhibited the snap-through behavior.
A proof of principle is given by observing a prototype that was milled into a copper bar.
