Apparently, this user prefers to keep an air of mystery about them.
31 What's the reason to make power supplies external? jun 6 '11
25 How do transposition towers in transmission lines work? sep 23 '13
23 How is wristwatch with 10 years battery life possible? sep 18 '12
23 Why are lightbulbs considered resistive load? sep 18 '12
22 Why are consumers located near high-voltage lines typically not connected to those lines but instead are connected through a lower high-voltage line? apr 23
19 Why do many laptops run on 19 volts? may 10 '12