The technician carefully measured the amplitude at the anti-node to map the standing wave pattern.

The mission planners adjusted the spacecraft's trajectory to pass just north of the ascending node to guarantee a stable lunar insertion.

The satellite passes through the ascending nodes twice during each orbit, allowing ground stations to schedule communications.

The mission planners scheduled the orbit correction burn to occur as the probe crossed the descending node.

During the observation, the telescope recorded a sudden fluctuation as the comet passed through the descending nodes of its orbit.

Coastal engineers mapped the tidal nodes to plan where to place the new breakwaters.

Marine biologists discovered a tidal node near the continental shelf where the usual daily rise and fall of the sea was almost nonexistent.

During the stress test, the cardiologist observed irregular signals in the AV nodes and adjusted the pacemaker settings accordingly.

The cardiologist explained that the AV node, a small structure in Koch's triangle near the coronary sinus on the interatrial septum, regulates conduction between the atria and ventricles.

In the dissection lab, the students examined the SA nodes to understand how heart rhythm is initiated.