An explanation of the difference between direct and alternating current. The clip includes a short historical outline of the work of Thomas Edison and Nikola Tesla. This is followed by an ...

For a long time, the "heart" of the direct current transmission projects—thyristor-based converter valves—has faced persistent challenges of "commutation failure" caused by the disturbances in the AC ...

Transcranial direct current stimulation significantly improved interference control but not working memory accuracy. No serious adverse events were reported in the sham or treatment groups.

An explanation of the difference between direct and alternating current. The clip includes a short historical outline of the work of Thomas Edison and Nikola Tesla. This is followed by an ...