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).
1 Moose and Zee, Noggin's former hosts, were introduced on this same day. 2  Josh Selig, the creator of Oobi, was inspired to create the show after watching puppeteers in Poland perform with their bare hands.  According to a 2007 article published by Kidscreen, Oobi was pitched to Noggin under the title Pipo.