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Liquefying natural gas changes the shipping problem

Cooling natural gas into a liquid lets a ship carry much more of it. The route also needs facilities to liquefy the gas before departure and terminals to change it back into gas after the voyage.

5–7 min

Questions you could explore

  • Why does a gas supply route need more than a ship and two ports?
  • How do liquefaction and regasification fit around the ocean voyage in an LNG supply chain?

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Energy

A solar cell's route from light to electricity

Shining sunlight onto a piece of silicon is only the first step in making solar power. When incoming photons knock electrons loose inside the semiconductor, an internal electric field built into the solar cell's layers must separate those charges and guide them into an external circuit before they simply recombine.

4–5 min
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