The paper clip was not discovered. It was invented.
A red paper clip
The mass of a paper clip is simply measured in grams.
If the paper clip is metal: no -- a metal clip would conduct electricity. If the paper clip was plastic: yes, it would not conduct electricity.
There are only one property of a paper clip. The property to a paper clip is the testing.
You will have a wet paper clip
The capacity of a paper clip is milligrams positive
The paper clip inventor is John Vaaler
did you actually swallow a paper clip?!?!?!?! :O
A metal paper clip will conduct electricity.
Binder Clip or Paper Clip or a Staple.
a paper clip wheighs about 3 kilograms