BYU is marking its 150th anniversary with a creative spin on a classic celebration: blowing out birthday candles in BYU style. Instead of a traditional breath to extinguish the flames, BYU turned to science. Physics and Astronomy professor Brian Anderson helped “blow out” the 150 candles on a BYU-themed cake with remotely placed loudspeakers using a process he studies and teaches at BYU: time reversal acoustics. https://news.byu.edu/intellect/byu-celebrates-150-years-with-a-scientific-twist-on-a