Sentences with PERPETUAL-MOTION-MACHINE

"Scientists have been trying to create a perpetual motion machine for centuries."

"The concept of a perpetual motion machine violates the laws of thermodynamics."

"Many inventors have claimed to have built a perpetual motion machine, but all have been debunked."

"The idea of a perpetual motion machine is often used in science-fiction literature."

"A perpetual motion machine would revolutionize the energy industry if it were possible."

"Despite numerous attempts, no one has successfully built a working perpetual motion machine."

"The perpetual motion machine is considered the holy grail of engineering."

"Some people still believe that a perpetual motion machine could exist."

"The quest for a perpetual motion machine has attracted many enthusiasts."

"Most physicists agree that a perpetual motion machine is physically impossible."

"The perpetual motion machine has become a popular topic of debate among scientists."

"The concept of a perpetual motion machine is often used metaphorically to describe something that never stops moving."

"Many patent applications claiming to describe a perpetual motion machine have been rejected."

"The dream of creating a perpetual motion machine persists despite scientific evidence against it."

"The search for a perpetual motion machine has led to many dead ends."

"Some con artists have deceived investors by promising to build a working perpetual motion machine."

"Building a perpetual motion machine is often considered an unsolvable puzzle."

"The perpetual motion machine remains an elusive goal for scientists and engineers."