If you’ve dealt with reactance, you surely know the two equations for computing inductive and capacitive reactance. But unless you’ve really dug into it, you may only know the formula the way a school ...

True customer acquisition doesn't end after the first purchase. The first purchase is a necessary step, but the second purchase is really the key to driving long-term value for your company. On ...

Spatial control of the phase and amplitude of a laser beam is useful for applications ranging from imaging and holography to interferometry and optical tweezers, reports Neil Savage. Digital spatial ...

Abstract: Modular multilevel converters (MMCs) have been proposed as a suitable power electronics topology for the integration of second-life batteries (SLBs) sourced from electric vehicles (EVs). The ...

Abstract: The use of second harmonic current compensator is an effective power decoupling method to suppress the second harmonic current of two-stage single-phase inverter, where the control strategy ...

For those who tried (or were even afraid to begin) to learn VEX but failed and stopped because it was too hard. Here you will learn VEX and applied math starting from the basics. From general to ...

Land-based plastic waste is the major source for freshwater and marine plastic pollution. Yet, the transport pathways over land remain highly uncertain. Here, we introduce a new conceptual model to ...

Madison Chock and Evan Bates have already won one medal at Milan Cortina after the U.S. figure skating team took home gold for the second straight Winter Olympics. Now, the ice dance partners are ...

The first eclipse of 2026 will be an annular solar eclipse, leaving a glowing outer ring of fire around the moon ...

SpaceX and NASA recently delayed the launch of the next crewed flight to the International Space Station (ISS) due to unfavorable weather conditions in the ascent corridor. After pushing it from ...

Spotify’s The Ringer is taking a deep dive into tinfoil-hat territory with "Wait a Second…," a new video podcast hosted by writer and podcaster Jason Concepcion and featuring The Ringer’s Tyler Parker ...

A “ring of fire” solar eclipse will be visible on Tuesday, with the best views in Antarctica and partial eclipse views in Africa and South America.