technology

Questions and Answers

Can ordinary AA batteries be recharged by means of a charger?

Questions and Answers

Does the current that acts on an electrical device through my plug go back and forth? If so, why does the device rotate...

Questions and Answers

What is a chip?

Questions and Answers

Does an induction motor emit dangerous electromagnetic radiation?

Questions and Answers

Is it possible to run an electrical appliance on 1.5 volt batteries?

Questions and Answers

Are there batteries that you can charge with 220 volts and then supply 220 volts?

Questions and Answers

Who invented the cardan joint, the wheel, the propeller?

Questions and Answers

How is it that an ax is immediately blunt once it has been in the ground?