electroscope
an Electroscope
It is an electroscope. If you lightly touch the object to the electroscope, it either sticks it together or pops it apart if it is charged.
To determine if an object is charged, you can use a device called an electroscope.
You can use an electroscope to see if something is charged. When a charged object is brought near the electroscope, the leaves of the electroscope will either repel or attract each other, indicating the presence of a charge.
a zapping device is like a taser it can send a electric impulse into something like a human or animal to stun it. a electro magnetic device is something police will use to see if you have any metal or weapons on you and they are also used at airports to see if you have any metal or weapons on you to.
I do not believe that one device can help people see through walls.
clock is type of measuring device that you can use to see the time
You use can. You need to make sure that the device is on. After open Device manager and press "Scan for hardware changes" or something like that (it depends on OS). If the device is working fine your OS will automatically install drivers for the device or you will see a device which was not recognized. You need to right click on it and choose location for the device driver.
No. It is a piece of paper that explains how to use something.
something you use to gather evidence that you cant see.
monitor
You only get charged if you have put your credit card details in and if you download something that is not free. Everything else is free. You may get receipts sent to you, but you will only have to pay if something was not free.