Liquid metal imbalance of the surface tension induces a pressure difference between the rear and the head, which produces a thrust to drive the droplet toward the head; at the same time, the hydrogen produced in the electrochemical reaction process also further raises the thrust. The discovery of this phenomenon laid the technical foundation for the development of intelligent motors, vascular robots, fluid pumping systems, flexible actuators and even more complex liquid metal robots. Liquid metal Liquid metal consists of alloys with very low melting points which form a eutectic that is liquid at room temperature. The standard metal used to be
What Is... Cliff Clavin? book "Brainiac", noted that "Jeopardy!"-related sitcom episodes had become common at the time. On the first episode of "Jeopardy!" season 31, which aired on September 15, 2014, "Jeopardy!" champion Elizabeth Williams echoed Cliff Clavin's answer in her response to the Final Jeopardy clue. Williams's $600 wager combined with her opponents' incorrect responses allowed Williams to triumph that day, nonetheless. The episode inspired the term "Clavin's Rule" in reference to maximizing all the winnings at the final round and losing them all. What Is... Cliff Clavin? "What Is... Cliff Clavin?" is an eighth season episode of the American television series "Cheers".