Abstract: A prerequisite for regenerative braking energy recovery in urban rail transit is to clarify how power flows between sources and loads in the system. Different from power flow calculation, ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Coarse-grained (CG) models provide an effective route to reduce the complexity of ...

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Is this real life? Is this just fantasy? A growing number of scientists are suggesting that the idea that we are all living in a simulation may not be completely far-fetched. Simulation theory is the ...

“Narratively this could fit extremely well,” Little_Assistant_247 wrote about Ultraman being Java, Simon Stagg’s henchman. “Java is supposed to be a Neanderthal, and we do get a glimpse of STAGG ...

Time, not space plus time, might be the single fundamental property in which all physical phenomena occur, according to a new theory by a University of Alaska Fairbanks scientist. The theory also ...

You can read Bitcoin candlestick charts with zero experience — here’s how to understand patterns, spot trends, and start making smarter crypto moves. Bitcoin candlesticks are a popular tool among ...

Note, many stocks in both lists have appeared there many times before. As long as they keep meeting my criteria – they'll keep appearing. But note, there won't be any notifications when they don't, so ...