German scientists turn on world’s largest artificial sun, which can be tapped to produce hydrogen fuel

Briefing

March 31, 2017

Briefing	Largest Artificial Sun – German scientists switched on world’s largest artificial sun, comprised of 149 short-arc lamps, typically seen in cinemas Extremely Hot Temperatures – Can generate temperatures of 3,500 degrees Celsius with concentrated light, 10,000 times intensity of natural sunlight on Earth Hydrogen Fuel Source – Considering using system to extract hydrogen from water vapor to produce hydrogen fuel for airplanes and cars Moving from Artificial to Natural – Eventual goal is to harness sun’s power rather than artificial light, as system currently requires electricity equivalent to annual consumption of four-person household to operate for four hours
Accelerator	Clean Energy Generation, Distribution and Management
Sector	Energy
Source	Jordans, F., "Let there be light: German scientists test 'artificial sun'", Phys.org, http://phys.org/; Devlin, H., "Let there be light: Germans switch on 'largest artificial sun'", The Guardian, https://www.theguardian.com/; Molloy, M., "World's largest 'artificial sun' shines brightly for the first time", The Telegraph, http://www.telegraph.co.uk/; AcceleratingBiz analysis
Original Publication Date	March 23, 2017

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