Explain how a swarm of flying insects can have a net momentum of zero? When standing on earth, why do we notice the force of gravity around us constantly but not the electric force? What does Newton's Theory of Gravity states? If you jump inside a bus, goi...
Why do passengers in high altitude jet planes feel the sensation of weight while passengers in an orbiting space vehicle, such as a space shuttle, do not? Explain how a swarm of flying insects can have a net momentum of zero? What does a pilot do to the wings when he/she wants to la...
Why Birds of a Feather Should Try Flying ApartGoing to Extremes By Cass R Sunstein OXFORD Pounds 12.99 (199pp)Pounds 11.69 (free p&p) from...By TonkinBoyd
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Not long ago, experiments showed that birds rely(依赖) on the sun to guide them during daylight hours. But what about birds that fly at night? Tests with artificial(人造的) stars have proved that certain night-flying birds are able to follow the stars on their long-d...
Do geese sleep while flying? The discovery thatbirds do in fact sleep on the wing, even if only in short, infrequent bursts, confirms a long-standing scientific theory about avian biology. What do geese symbolize in the Bible? The New Testament exudes a glad welcome of the return of the ...
According to people who have research on the topic of V formation of birds while flying, the birds usually tend to fly around a meter behind and a meter off to the side upfront. Now when the bird leading the formation flaps its wings an area of downwash is created which is when a vo...
Have you ever looked toward the sky on a fall day and witnessed a group of migrating birds?If so,you probably noted the V-shaped formation of the birds or the birds flying in a ball-like formation.Why do birds fly this way?Many theories have been developed to explain the formation patte...
researchers had previously thought that the origin of flight invertebratesrequired forelimbs and hindlimbs to evolve independently, allowing them to adapt to their distinct tasks more easily. Comparing bats and birds allows for the testing of this idea because they do not share a common flying ances...
Why do animals curl into the ball during winter? Woolen clothes are worn in winter, Why? What are the conditions for a flock of birds to have zero momentum? Why are materials such as wood, fur, feathers, and even snow good insulators? Why do flying bees buzz? Why can you not hit a...