propagation of electro-magnetic waves along periodic circuits and filtering properties of such systems.

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author of the popular graphics blog Compound Interest To see more of Brunning’s work, go to compoundchem.com. To see all of C&EN’s Periodic Graphics, visit cenm.ag/periodicgraphics.

Re an article in The Palm Beach Post concerning the road closure at Mar-a-Lago and called them "periodic closures". As someone who works in Palm Beach, I can tell you the closures are not periodic.

Body Dimensions 137.6 x 65.7 x 9.8 mm (5.42 x 2.59 x 0.39 in) ...

BENGALURU – The removal of critical sections on evolution and the periodic table of elements from some high school science textbooks in India has sparked concerns among education experts and ...

The NonOverlappingPeriodicJobScheduler class implements a slim yet highly flexible periodic-job scheduler for Node.js projects, ensuring non-overlapping job ...

Each is connected to a log-periodic antenna to greatly increase the range of the repeater along the direction of the antenna. These antennas are highly directional, but they allow [Peter] to ...