Notice that a battery symbol is made from joining cell symbols together. Think of what we usually call a single battery, like the type you put in a TV remote control. In physics, each of these is ...

"First realization of an electric circuit with a magnetic insulator using spin waves." ScienceDaily. ScienceDaily, 14 September 2015. <www.sciencedaily.com / releases / 2015 / 09 / 150914114518.htm>.