A semiconductor material has an electrical conductivity value falling between that of a conductor, such as metallic copper, and an insulator, such as glass. Its resistance decreases as its temperature increases, which is behaviour opposite to that of a metal. Its conducting properties may be altered in useful ways by the deliberate, controlled introduction of impurities ("doping") into the crystal structure. Where two differently-doped regions exist in the same crystal, a semiconductor junction is created. The behavior of charge carriers which include electrons, ions and electron holes at these junctions is the basis of diodes, transistors and all modern electronics. Some examples of semiconductors are silicon, germanium, gallium arsenide, and elements near the so-called "metalloid staircase" on the periodic table. After silicon, gallium arsenide is the second most common semiconductor and is used in laser diodes, solar cells, microwave-frequency integrated circuits and others. Silicon is a critical element for fabricating most electronic circuits.
Semiconductor devices can display a range of useful properties such as passing current more easily in one direction than the other, showing variable resistance, and sensitivity to light or heat. Because the electrical properties of a semiconductor material can be modified by doping, or by the application of electrical fields or light, devices made from semiconductors can be used for amplification, switching, and energy conversion.
An icon (from the Greek εἰκών eikṓn "image", "resemblance") is a religious work of art, most commonly a painting, in the cultures of the Eastern Orthodox Church, Oriental Orthodoxy, the Roman Catholic, and certain Eastern Catholic churches. The most common subjects include Christ, Mary, saints and angels. Although especially associated with "portrait" style images concentrating on one or two main figures, the term also covers most religious images in a variety of artistic media produced by Eastern Christianity, including narrative scenes. Icons can represent various scenes in the Bible.
Icons may also be cast in metal, carved in stone, embroidered on cloth, painted on wood, done in mosaic or fresco work, printed on paper or metal, etc. Comparable images from Western Christianity are generally not classified as "icons", although "iconic" may be used to describe a static style of devotional image.
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Gordon Moore Gordon Moore was one of the founders of Intel, the most famous semiconductor company in the world. Intel’s processors are the brains behind most of the computers we use today. Their iconic Ad campaign “Intel Inside” made Intel a household name. In 1965 Gordon Moore hypothesized that...
#instabot and #alittlecrazygoesalongway Tonight. I added the CDS light sensor and tried to work out the code to detect the follower icon and then index two more times to place the icon under the second small spin motor. Once there I then instruct the #Arduino to have everything stop and wait for the click to happen. If you notice I have added some of life's best project tools to the build. Legos!! They are far better then chop-sticks and hot glue. #make every day count as a #maker. Look for your inspiration within nature and activities you do every day. Just this Friday I was in a wafer manufacturing facility. For some reason I paused and ask myself why I have never dreamed of the places I go. If you can imagine virtually everything is white and everyone is wearing white clean room suits. It's sometime like a dream within a dream where I can't believe how lucky I have been to be a part of the semiconductor industry. So just a remember this with this memorial weekend. You never know what life has in store for you and you never know where you will end up some days. Make the most of what life has to offer you and share being a #maker with others. #inspire #arduino #microcontoller #atmel #intel #arduino.cc #makearduino #arduinoproject #instadaily #instalike #whatididin24hrs #code #coding #programming #itouch #apple #app #instagram #servos #toomanyhashtags #myfuture #innovate and #create the future you want. Don't wait for some else to create it for you. by tom95076