Gizcast 4: Mercedes reveals its ultra-safe car of the future

We've backed off on motorcycles after a bike-heavy podcast #3 - this week is a much broader podcast with some great stories from the automotive world, renewable energy, astronomy, mobile tech and even a piece of beachwear that can make you a bit of cash as you stroll by the seaside. Features Loz Blain and Noel McKeegan. Download or listen online.

Download the full episode as m4a (m4a is great, it contains chapters, links and images if your player supports them) or mp3 to put on your MP3 player.

Or listen right here:

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Further reading on the topics covered in this week's podcast (in the order they're mentioned):

Intro:

• TTXGP - electric motor company Agni blitzes in first clean emissions Grand Prix

Feature Stories:

• Mercedes-Benz's ESF2009 Experimental Safety Vehicle showcases safety systems of the future
• Honeywell wind turbine is a breeze to run – and a light one at that
• Astronomers discover new way to search for life elsewhere
• Universe made simple with release of Meade ETX-LS automated telescope
• Augmented reality browser for Android called Layar

Quick Wrap:

• Long sought-after material could revolutionize electronics
• Zeo: the personal sleep trainer
• Robotic ferret to sniff out hidden drugs, weapons and people

Super-quick wrap:

• Moby concept car puts the squeeze on city traffic
• Elmoto: Stylish and economical electric biking in one lightweight package
• Manipulating light on a chip for quantum computing
• Metal detecting sandals delve the depths of fashion