[sebstefan]

In terms of heat, 4 joules would heat 27g of water (the weight of a ballsack) by 0.14°C

Maybe that's why

[BenjiWiebe]

0.14C/second, right?

[doloputer]

No, total.

Watts are per second, Joules are total energy (watts * seconds). 4 Watts would be per-second.