... and magnetic fields that rise and fall like waves on an ocean. Silently, invisibly and at the speed of light, they travel through space and matter. There are many forms of electromagnetic energy (see diagram). Ordinary light from the sun is one, and the only one you can actually see. X-rays are another. Each kind, moving at a separate wavelength, has a unique effect on any matter ... , even your own body, produce electromagnetism -- microwaves, x-rays, untraviolet rays. It may interest you to know that whereas the human eye is sensitive to light radiation, the eye of the snake can sense ...

• Word Count: 1548
• Approx Pages: 6
• Grade Level: High School

... cool into a single crystalline ingot with the same orientation as the seed. The ingot diameter is determined by combination of temperature and extraction speed. Fig.2 Crystal Pulling 3. Wafer slicing Single crystal silicon ingots are characterized by the orientation of their silicon crystals. Before the ingot is cut into wafers, one or two "flats" are ground into the ... The device is packaged into a ceramic or plasticenclosure before sealing. Fig.5 IC chip ]Application of Semiconductors Semiconductors have many applications. On of these applications is in making microprocessors. Micropro...

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... wide"(Beiser) between the two conduction bands is much smaller than the ones in the insulators, it can be increased in conductivity in certain level of energetic strike like increase in light, temperature. Generally, there are two types of semiconductors: n-type and p-type. "The silicon crystal atom has four valence electrons (represented by dots); two are required to form a covalent bond" ... is the large impedance on the input. Today's manufactures are using these concepts of the semiconductor and produce electoral circuits in a very narrow area. This technology is usually apply on de...

• Word Count: 1324
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School