> “We take gravity for granted,” Pettit said. “Generally, we are unaware of the weight of our hands, or how easily we pour coffee into a cup. We don’t stop to think, ‘Will the coffee rise up and pour out?’ or ‘Can we pour the coffee?’ We just do it. Gravity handles this for us by applying force to the coffee, pulling downward."

Donald Pettit is tugut mang fo wa Earther. Oye, Beltalowda!