Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

The theory behind hydropower is very simple: water obeys gravity and imparts the gained kinetic energy onto a turbine, which subsequently drives a generator.  The devil here is, of course, in all ...

Presidential candidate Jose Antonio Kast of the Republican Party, addresses supporters after early results in the general elections in Santiago, Chile, Sunday, Nov. 16, 2025. (AP Photo/Cristobal ...