The Doppler effect is a change in wavelength (frequency) of sound resulting from motion of a ... MHz for the Doppler is irrelevant as the optimum MHz should be found in practice and not theory. The ...

A wavelength of 1,064 nm, working frequency of the laser of 1 Hz ... This algorithm can overcome the problem of collinearity between multiple independent variables. Wavelength and intensity are ...

A research group recently discovered the disappearance of nonreciprocal second harmonic generation (SHG) in MnPSe₃ when ...

Learn about the reflection of high-frequency signals in 5G communications and how impedance discontinuities can influence ...

The Frequency Festival's seven concerts include Chicago or U.S. debuts by Zosha Warpeha, Angharad Davies, and Pat Thomas & ...

For fruit flies, finding the right mate is all about the right song. Now, research shows that male flies don't just try to ...

Shares of Tesla Inc. fell again on Monday, as a negative turn in how Chief Executive Elon Musk is being viewed by consumers is fueling concern that sales will take a hit. There’s also a growing ...

There are seven “problems” in the theme set today, at 22-, 31-, 51-, 66-, 82-, 99- and 112-Across. I call them problems because of the puzzle’s title, “Word Problems,” and because each ...

Capital One said it is working with a third-party vendor to resolve the issue. (Sarah Yenesel/EPA-EFE/Shutterstock) Capital One customers have been reporting problems ...

Have the giants gotten too big for anyone’s good? This week, the top 10 companies in the S&P 500 made up more than 37.5% of the index’s total market value. Many market commentators will tell ...

The research is conflicting, but most evidence points to late morning as the best time for that kind of problem solving, Rutledge said. “Research suggests that mood is relatively stable in the ...