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.
Top 10 longest-living dog breeds. Your small pup may have an advantage when it comes to life expectancy. Today we learned the sad news that Maggie, an adorable dog from Australia has passed away at the age of 30. Although her owner no longer has the paperwork to prove her age, he promises she is 30 years old, making her the world's oldest dog. While Maggie's breed isn't known for sure, there are a few breeds that are known for their long life expectancy. Breeds that reach 10 to 25 pounds as adults tend to live the longest, according to Dr. Jon Woodman, a small-animal vet in the Twin Cities.