What is an Arc ? | Arc in Circuit Breaker Before going through details of arc quenching or arc extinction technologies employed in circuit breaker we should know first what is arc actually. What is an Arc ?
Meet the World's Tallest and Shortest Dogs! Gibson and Boo Boo. These are the extremes: the world's tallest dog Gibson (7 ft / 2.1 m tall when standing on his hind legs) has met Boo Boo (4 in / 10 cm high) the world's smallest dog in Sacramento, California for Guinness World Records Day 2007.
Zeus the Great Dane, the worldâs tallest dog, dies aged five. A Great Dane from Michigan who was named the tallest dog of all time has died aged five. Zeus, who was the same size as an average donkey, entered the Guinness World Records in 2012 with a height of 112cm at the shoulder and 7ft4in on his hind legs.