The paper is describing different alternatives for mathematical modelling of LED's spectral power distribution. Gaussians, logistic power peak and asymmetric double sigmoidal functions are tested with ...

It’s common to encounter different filler products when visiting various facial plastic surgeons, dermatologists or med spas. familylifestyle/iStock / Getty Images Plus Q. I’ve gone to several ...

If you are confused by personal finance terms, jargon and calculations, here’s a series to simplify and deconstruct these for you. In the 54th part of this series, Riju Mehta lists the difference ...