| ▲ | anthonj 2 days ago | |
This violates energy conservation principles. Some power will be "wasted" into heat, some other will be used for some other work. | ||
| ▲ | stouset a day ago | parent [-] | |
If I use energy to move a block one foot over, I have performed useful work. But 100% of the energy used to perform that work is either already heat or shortly will be. | ||