Abstract: The substrate integrated waveguide (SIW) comprising rectangular via-holes is herein treated by a rigorous full-wave modal analysis using the moment method entailing Green's functions for ...

As a person with a chronic illness, I'm no stranger to bloodwork. I used to pore over my lab results, googling the various meanings, and trying not to panic when a test fell out of range. Function ...

In 1940, the French mathematician and artillery officer Jean Leray was taken prisoner by the Germans. He told his captors that he was a topologist, fearful that if they discovered his true area of ...

Graph database vendor Neo4j Inc. is teaming up with Snowflake Inc. to make a library of Neo4j’s graph analytics functions available in the Snowflake cloud. The deal announced today allows users to ...

Melvin Pasternak has spent 27+ years teaching at Mount Royal University and is the author of 21 Candles Every Trader Should Know. Suzanne is a content marketer, writer, and fact-checker. She holds a ...

A description of a four-phase RC oscillator of a sinusoidal and rectangular shape is given. A triangular-shaped signal is obtained by the counterphase addition of half-waves of sinusoidal signals ...

Strong Points: Intuitive interface, almost no lag between inputting an equation and seeing the graphed output. GeoGebra 3D Calculator is an excellent app for educators, students, and casual ...

Imagine a cartoonist drawing a watch. It might have a couple lines for the hands, a couple lines for the strap and a circle for the case. But what if it were squarish? You probably wouldn’t give it a ...

If you or your kids are preparing for an advanced math or science course, you’re going to need a graphing calculator. These handy machines can process complex calculations (and simple ones), including ...