This video will teach you three really powerful and visual card tricks. I recommend practicing these in front of a mirror so that you can get the timing and angles correct. Daylight robbery on Sea ...

ABSTRACT: Theoretical calculations and preliminary measurements of vibrational Raman optical activity (ROA) spectra of different species of amphetamine (amphetamine and amphetamine-H+) are reported ...

ABSTRACT: A new filtering algorithm — PSO-UPF was proposed for nonlinear dynamic systems. Basing on the concept of re-sampling, particles with bigger weights should be re-sampled more time, and in the ...