Paper trading is the act of using virtual money to buy and sell securities. Virtual money is not real, but it gives you an idea of how your trading strategy might have worked out.

When Franklin opened his printing house in 1728, paper money was a relatively new concept. ... Those are constraints that would turn many physicists off to a project like this. ...

A scientific paper published early in the outbreak found the virus can live on cardboard for up to 24 hours and up to three days on plastic and stainless steel. The researchers, however, did not ...

A scientific paper published early in the outbreak found the virus can live on cardboard for up to 24 hours and up to three days on plastic and stainless steel. The researchers, however, did not ...

The new paper money had an attractive feature: it was guaranteed to trade for a specific weight of silver, and, unlike coins, could not be melted down or devalued.

Many of those in despair turn to Al-Ashqar, the money fixer. When he was displaced from Gaza City, he rented a shop in Deir al Balah to continue his jewelry work, with money repair as a sideline.