pair production

"The notion of a positron weapon remains the stuff of science fiction."

"You can create the color orange by mixing yellow and red."

"Sunlight is made of tiny particles called photons. "

"The alarm clock and the baby's cry went off simultaneously. "

"My sometimes neighbor, a retired teacher, still visits the school occasionally. "

"The students are interacting with each other during the group project. "

"The scientist studied the tiny particle of dust. "

"When a high-energy collision creates an electron, it almost always creates its corresponding antiparticle, a positron, at the same time. "

"The children's energy fueled their excitement for the school trip. "

"The electrons flowing through the wires in my computer allow me to type this message. "

"My daughter's clay creation won first prize at the school art show. "

"The widget making machine is being used for production now."