Detecting earthquakes with Fibre Optics
How a system designed to carry TV and internet traffic can help detect earthquakes
Los Angeles is famously earthquake prone, but it is also known for its technological advancement, being close to the heart of the computer industry. Seismologists have developed a new system which uses redundant capacity on fibre optic networks across the city to detect earthquakes.
Also in the programme the end of Opportunity 鈥� the legacy of the Mars Rover designed to have a working life of just 3 months, which continued to explore the Martian surface for 14 years.
And we look at fish and coral. How best can coral reefs be encouraged to regrow after destructive extreme weather events, and why fish farming may be a useful conservation tool as well as a lucrative business.
(Photo:Los Angeles, California: Earthquake Aftermath. Credit David Butow/Corbis via Getty Images)
Presenter: Roland Pease
Producer: Julian Siddle / Deborah Cohen
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- Thu 14 Feb 2019 20:32GMT成人快手 World Service Online, Americas and the Caribbean, UK DAB/Freeview, Europe and the Middle East & News Internet only
- Thu 14 Feb 2019 21:32GMT成人快手 World Service Australasia & East Asia only
- Fri 15 Feb 2019 05:32GMT成人快手 World Service Online, UK DAB/Freeview, News Internet & Europe and the Middle East only
- Fri 15 Feb 2019 06:32GMT成人快手 World Service Australasia, Americas and the Caribbean & South Asia only
- Fri 15 Feb 2019 07:32GMT成人快手 World Service East and Southern Africa & East Asia only
- Fri 15 Feb 2019 11:32GMT成人快手 World Service West and Central Africa
- Fri 15 Feb 2019 14:32GMT成人快手 World Service Australasia
- Fri 15 Feb 2019 18:32GMT成人快手 World Service East and Southern Africa, South Asia & West and Central Africa only
- Sun 17 Feb 2019 12:32GMT成人快手 World Service except Australasia & West and Central Africa
- Mon 18 Feb 2019 01:32GMT成人快手 World Service
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