I thought they were going to go into Oliver Heaviside. Instead we get gutta percha. /sigh https://en.wikipedia.org/wiki/Oliver_Heaviside https://en.wikipedia.o

I thought they were going to go into Oliver Heaviside. Instead we get gutta percha. /sigh https://en.wikipedia.org/wiki/Oliver_Heaviside https://en.wikipedia.org/wiki/Oliver_Heaviside