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.
The longest eared dog on earth. One-year-old Jack, a basset hound from Germany is officially the longest eared dog in the world. His super size ears have been recognised by the Guinness Book of Records, each measuring a whopping 33.2cm, longer than a side of A4 paper.