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.
At just under 25 inches tall, Jyoti Amge of Nagpur, India, is the world's shortest woman. She's a college-bound student, with dreams of making it as an actress. Still, she weighs just 12 pounds -- only nine pounds more than she did at birth. Even among dwarfs, Amge is tiny.