Naked Scientists Podcast

Naked Scientists episode

Tue, 26th Apr 2016

The Secret World of Shipping

Cargo Ship (c)

This week we’re taking a look at the industry that transports 90% of global trade but most of us know very little about - shipping! We’re all at sea as we navigate our way through driverless ships of the future and how to make an industry that is currently producing the same amount of emissions as Germany, a little greener.

Plus how testosterone hardens your arteries, are drones getting out of control, and can a spoon in the bottle stop your sparkling wine going flat?

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In this edition of Naked Scientists

Full Transcript

  • 00:58 - Why do men have more heart attacks?

    Scientists from the Univeristy of Edinburgh think that testosterone may be behind the higher instances of heart attacks in men.

  • 06:36 - Dementia rates falling

    Despite dire predictions new research suggests that dementia rates are actually falling, specifically in men.

  • 50:39 - Hoist the sails for wind power!

    If we're worried about carbon emissions of ships, shouldn't we just be hoisting the sails and returning to a simpler time?

  • 56:13 - How fast can an elevator go safely?

    I recall once watching a program about elevators which inferred that there was almost no restriction in the speed an elevator could ascend (for the human body) but there was a limiting speed for the descent. Or was it vice versa? Not sure but is there any truth in this statement

 

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On automated ships - Autonomous maneuvering and navigation are relatively easy tasks, given modern technologies. But a ship doesn't just steer and propel. Cargo ships are in a constant state of maintenance, because a ship only makes money while at sea. Imagine changing your car's oil while driving to work. You may make steering a ship more automated, but we won't have unmanned ships anytime soon. Dan, Thu, 28th Apr 2016

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