Neither of those were developed to prevent global warming,in both cases that turned out to be one of the many potential positive results if the technology were widely accepted and implemented
Hi Thaddeush13,
Biases - " lacking a neutral viewpoint, or not having an open mind".
The potential biases that could hapen in this experiment are different intakes or types of coffee. For Example, Cold, Hot, Caramel. And each as a different size. Sugar intake is also another problem here.
It can only identify if it's gold. By rubbing the tile on hold should leave a gold mark on tile