The energy that is needed to make an electron jump from the valence band to the conduction band is called the âenergy gapâ. In a macroscopic piece of matter it is the equivalent of the excitation energy from the ground state to the first excited level in free atoms. Hope that was unerstandableâ¦.
He was created by A.A. Milne. The first collection of stories about the bear was the book Winnie-the-Pooh (1926) and this was followed by The House at Pooh Corner (1928). Milne also included a poem about the bear in When We Were Very Young (1924) and many more in Now We Are Six (1927).
Milne. It was his favourite animal at the Zoo, and he often spent time inside the cage with it. The bear was Christopher Robin's inspiration for calling his own teddy bear Winnie... Winnie the Pooh (this teddy bear started out with the name of Edward Bear). The name Pooh originally belonged to a swan, as can be seen in the introduction of Milne's 'When We Were Very Young'. A.A. Milne started to write a series of books about Winnie the Pooh, his son Christopher Robin, and their friends in the Hundred Acre Wood.