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haley haegner

Grolier Multimedia Encyclopedia - 0 views

  • electric motor that assists the engine when accelerating
  • powered by batteries that recharge automatically while the car is being driven.
  • hybrid provides lower gasoline consumption and a lower level of polluting emissions than the gas-powered car;
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    car
hugo vergara

Tags - Luxury Cars: Cruise to the luxury lifestyle - 0 views

  • Mercedes-Benz Formula Zero luxury racer concept
  • Million Euro Mini Limo is World’s Most Pimped Ride
  • The Iconic GTR Roadster, great performance and unique style.
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  • Alfa Romeo Bertone BAT 11 Concept heads for limited production
  • Ronn Motors' $150K Scorpion would do Captain Planet proud
  • Lightening GT All-electric sports car comes with a pricey tag
  • Pimped-Put Bentley Gold for Bling-Lovers
  • Pimp My Ride!
  • DC Designs' Ambierod - Most expensive designed car ever shown at Auto Expo
  • Top ten luxury cars gearing to burn the road
  • Big cars, big bills - Luxury doesn't come cheap
  • The New Ford Mondeo Deemed Allergy Free
  • Toyota Launches World's Most Expensive Hybrid for $104,750
  • 2008 Rolls-Royce Corniche Convertible All-Set to Debut
  • The Mercedes luxury cars epitomize several years of design that have made Mercedes Benz become one of the most illustrious luxury brands in the world
  • The Iconic GTR Roadster is being introduced at the Pebble Beach Concours d'Elegance Car Show. For the uninitiated, only the most beautiful and luxuriously designed cars are showcased at Concours d’Elegance
  • Some people buy them for the comfort or features, and some just to make a statement
  • Texas-based Ronn Motors are out to spoil their customers and that too in some style
  • If you had been worrying about all the fuel your luxury sedan or the sports car you bought recently consume, then you are not alone
  • If you think Bentley is a bit less classy to justify your blingy lifestyle then you are in for a surprise with this pimped-out Bentley’s Gold version from ASI, the Japanese tuner specialized in Bentleys
  • Beau Boeckmann of Galpin Auto Sports whose pimped rides have been featured earlier in MTV's "Pimp My Ride."
  • Dilip Chhabria of DC Designs will officially unveil his super luxury concept car dubbed Ambierod on January 10, 2008 at the Auto Expo
  • Super luxury cars have been here after Karl Benz got that first patent for a motorwagen in Germany in January 1886
Kate L

The Energy Story - Chapter 15: Solar Energy - 0 views

  • Solar energy can also be used to make electricity.
  • solar power plants, like the one in the picture to the right in California's Mojave Desert, use a highly curved mirror called a parabolic trough to focus the sunlight on a pipe running down a central point above the curve of the mirror.
  • mirror focuses the sunlight to strike the pipe
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  • gets so hot that it can boil water into steam
  • team can then be used to turn a turbine to make electricity.
  • California's Mojave desert, there are huge rows of solar mirrors arranged in what's called "solar thermal power plants"
  • this idea to make electricity for more than 350,000 homes
  • problem with solar energy is that it works only when the sun is shining
  • cloudy days and at night, the power plants can't create energy.
  • solar plants, are a "hybrid" technology
  • daytime they use the sun
  • night and on cloudy days they burn natural gas to boil the water so they can continue to make electricity.
  • form of solar power plants to make electricity is called a Central Tower Power Plant, like the one to the right - the Solar Two Project.
  • Sunlight is reflected off 1,800 mirrors circling the tall tower
  • mirrors are called heliostats
  • move and turn to face the sun all day long
  • light is reflected back to the top of the tower in the center of the circle where a fluid is turned very hot by the sun's rays.
  • luid can be used to boil water
  • make steam to turn a turbine and a generator.
  • We can also change the sunlight directly to electricity using solar cells.
  • Solar cells are also called photovoltaic cells
  • PV cells for short
  • be found on many small appliances
  • calculators
  • even on spacecraft
  • first developed in the 1950s for use on U.S. space satellites
  • made of silicon, a special type of melted sand.
  • sunlight strikes the solar cell, electrons (red circles) are knocked loose
  • move toward the treated front surface (dark blue color)
  • electron imbalance is created between the front and back
  • two surfaces are joined by a connector, like a wire, a current of electricity occurs between the negative and positive sides.
  • individual solar cells are arranged together in a PV module and the modules are grouped together in an array.
  • arrays are set on special tracking devices to follow sunlight all day long.
  • electrical energy from solar cells can then be used directly
  • used in a home for lights and appliances
  • in a business
  • Solar energy can be stored in batteries to light a roadside billboard at night
  • energy can be stored in a battery for an emergency roadside cellular telephone when no telephone wires are around.
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    Solar/ thermal energy
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