Abstract: This article proposes a novel submodule capacitor voltage balancing control for multiport modular multilevel converter (MMC)-based solid-state transformers. To balance each submodule ...

The power of Python trumps Excel workbooks.

After a nearly 12-year run, Sub Pop’s store at Seattle-Tacoma International Airport went off to the great tarmac in the sky, closing at the end of 2025. It was a certifiable bummer for the ...

After digging deeper, here’s what was happening: The presence of a top-level .pyd caused the IDE to treat the package as a compiled extension module. PyCharm generated a skeleton stub based on that ...

Subway has launched a national ad campaign promoting the return of Sub Club, a loyalty program the sandwich chain previously wound down 20 years ago, per news shared with Marketing Dive. In new TV ads ...

Send a note to Doug Wintemute, Kara Coleman Fields and our other editors. We read every email. By submitting this form, you agree to allow us to collect, store, and potentially publish your provided ...

Attention Subway fans: It's your time to get rewarded. On December 1st, the sandwich shop announced that it's finally bringing back its loyalty program, Sub Club, after a long 20-year hiatus. And it's ...

We don't know about you, but around here, when it's time for a birthday, we're racking up all the freebies we can get. Free donuts? Free coffees? Free appetizers? Check, check, and check. Why not ...

Our Sub-3:45 plans are designed for intermediate to advanced runners who have run at least one marathon before and want to improve their previous time. The Sub-3:45 marathon plans are designed to ...

Quectel has announced the KCMCA6S series of Wireless M‑Bus (WM‑Bus) modules, capable of sub-1 GHz operation for smart metering. Based on Silicon Labs’ EFR32FG23 wireless SoC, featuring a 73‑MHz Arm ...

The research on perovskite solar cells (PSCs) has made substantial progress as the latest certified power conversion efficiency (PCE) of small-area, single-junction PSCs has reached up to 27.0% 1.