electricity

  • Future power strategy: electrify everything

    When it comes to renewables-generated electricity, Australia might well be the luckiest country. ...

    When Hurricane Ida slammed into the lowest-lying areas of Louisiana in August of 2021, many expected that the most po...

    Energy October 8, 2021
  • Electricity from sweaty fingertips?

    This device takes power from your sweat while you sleep.

    The device on a user's fingers while they sleep, harvesting energy. Credit: Jong-Min MoonA team of US researchers...

    Core Sciences July 14, 2021
  • Generating electricity 'out of thin air'

    Researchers unveil a new device powered by a microbe.

    Scientists in the US have developed a device they say uses a natural protein to create electricity from moisture in t...

    Energy February 17, 2020
  • Profile

    How Westinghouse lit up the world

    Success flowed from the epic Current War.

    “Three brilliant visionaries set off in a charged battle for the future in The Current War, the epic story of the cut...

    Energy November 10, 2019
  • Seductive light from the dark side

    A simple device for the developing world’s population.

    Researchers at the University of California, Los Angeles (UCLA), and Stanford University in the US have generated lig...

    Physics September 12, 2019
  • Harnessing electricity from bacteria

    One day microbes might power fuel cells and space missions.

    US engineers have reported progress in the quest to gather usable electricity from bacteria.Scientists know that ce...

    Biology January 13, 2019
  • A new source of electrical energy

    Proof-of-concept holds great promise.

    It sounds like something from the 1960s, but the “bionic mushroom” could be a tantalising glimpse of the future.US ...

    Energy November 7, 2018
  • Mining Bitcoin is as energy intensive as mining gold

    Another study raises concerns about the high environmental cost of using cryptocurrencies. Samant...

    “Mining” for Bitcoins is just as energy intensive as mining for gold and other precious metals, a new study finds. It...

    Technology November 5, 2018
  • England’s enigmatic mathematician is born

    An undeniable nineteenth century maths genius.

    George Green was born on July 14, 1793, in the English town of Sneinton, Nottinghamshire, now part of the city of Not...

    Mathematics July 12, 2018
  • Is evaporation the next great renewable?

    Lakes and reservoirs could hold the solution to inconsistent power supply, writes Jeff Glorfeld.

    Anyone who has observed a puddle of water gradually dry and disappear has seen natural water evaporation in action. N...

    Technology September 26, 2017
  • Nikola Tesla: The AC/DC current wars make a comeback

    The Tesla vs Edison battle of electric current is till on.

    The decisive battle took place in 1893 at the Chicago World’s Fair. On one side, the celebrated inventor Thomas Ediso...

    Technology September 14, 2017
  • How to catch lightning

    The magic of Lichtenberg figures.

    A brilliant flash of light followed by the rumble of thunder: a bolt of lightning has struck, carrying billons of jou...

    Physics June 7, 2017
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