Cardiac action potential. The cardiac action potential is a brief change in voltage (membrane potential) across the cell membrane of heart cells. This is caused by the movement of charged atoms (called ions) between the inside and outside of the cell, through proteins called ion channels.
Smoke's Poutinerie is a Canadian nationwide poutine franchise founded by entrepreneur Ryan Smolkin. Founded in Toronto in 2008, its premiere location was the first poutine-exclusive restaurant in that town. Smolkin was inspired by Montreal restaurant La Banquise, which serves many different kinds of poutine. Smolkin frequents La Banquise whenever he visits Montreal.
Another story has it that a Chinese monk named Li Tian in Hunan invented fireworks a thousand years ago. Whether this is the true history of fireworks or not, thereâs an offering every April 18 made to Li Tian made in Hunan province. There is another theory which states the crackers originated in the 8th century.