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How do solar cells actually work so his cells are mainly composed of silicone. Silicon asms have full electrons in their outer shell and are stable but then the cynical misplaced into 2 layers. Bosphorus is mixed into one like it has value electrons in its outer shell one too many which can orbit for a. Second is mixed with boron which has only 3 outer electrons one to feel. That means the layer has gaps which attract the excess phosphorus electrons this creates a flow of negatively charged electrons from one layer to the other one layer loses electrons and becomes positive the other gains ele...

Cable Television Company as a Public Service and brought to you today by your television provider. Host representative Yvette Clarke is a democrat from new york. She is vice chair of the energy and Commerce Committee and is also cochair of the smart cities caucus. She is our guest this week on the communicators. Congresswoman clark, thank you for being here to be too be with you, peter. Host what is the smart city caucus and how you envision smart city . Guest we decided to establish a bipartisan smart city caucus originally darrell [inaudible] was my chair and it is now congresswoman from ind...

Humans our eyes if all goes according to plan. With modern technology taking a look at the retina on the back wall of an eye is easy and routine but actually going in there to treat disease is much harder i drops arent enough to tackle serious issues. Corkscrew shaped nano robots might be the solution theyre 200. 00 times smaller than the diameter of a human hair this is a computer animation. The idea is to send such nano propellers through the vitreous humor of the eye to deliver medicine to the retina professor pear fisher at the Max Planck Institute for Intelligent Systems in stuttgart is a...

Tomorrow today the science show on d w. Last. How do solar cells actually was so hisself are mainly composed of silicon. Silicon atoms have full electrons in the outer shell and are stable but then the silicone is split into 2 layers. Bosphorus is mixed into one layer it has 5 electrons in its outer shell one too many which can orbit free. The 2nd layer is mixed with boron which has only 3 out electrons one to feel. That means the layer has gaps which attract the excess phosphorus electrons this creates a flow of negatively charged electrons from one layer to the other one layer loses in. Tran...

Cells in the panel. Welcome to tomorrow today the science show on the d. W. Stuff how do solar cells actually was so hisself are mainly composed of silicon. Silicon atoms have full electrons in their outer shell and are stable but then the city come a split into 2 layers. Last christmas mixed into one like it has 5 electrons in its outer shell one too many which can orbit free. The 2nd layer is mixed with boron which has only 3 outer electrons one to feel. That means the layer has gaps which attract the excess phosphorus electrons this creates a flow of negatively charged electrons from one la...