Abstract: In the dynamic modeling of shell-tube heat exchangers using the lumped-parameter method, empirical formulas are usually used to calculate the heat transfer coefficient between the shell side ...

President Donald Trump’s family has also been busted using mail-in voting, days after the president called it “cheating.” The 79-year-old has spent years railing against mail-in voting as a vehicle ...

Abstract: The development of polarization-adjusted convolutional (PAC) codes has introduced a class of efficient designs for short packet transmission. In this contribution, aiming at more flexible ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...