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Listed under:  Economics and business  >  Finance  >  Accounting  >  Costs
Video

BTN: Paying for the news, or not

Imagine a time before modern technology: no television, radio or computers. How did people find out about what was happening in the world? Through newspapers! Times are changing, however. With the internet at our fingertips, do we even need newspapers anymore? Watch this clip to find out how the internet is creating issues ...

Interactive

Energy-efficient house

Explore how the temperature inside a house is affected by air flowing in and out. Look closely at the energy effects of design variables in a house such as insulation materials, window coverings and window direction. Build a house with maximum energy efficiency by adjusting key design variables. Change the house design ...