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The Naked Scientists Podcast

The SKA and Radio Astronomy

The Naked Scientists Podcast

Dr Chris Smith

Natural Sciences, Science, Science Radio, Naked Scientists, Health & Fitness, Engineering, Medicine, Technology, Life Sciences

4.6958 Ratings

🗓️ 4 April 2013

⏱️ 59 minutes

🧾️ Download transcript

Summary

We take a tour of the two Australian precursors to the Square Kilometre Array - the Murchison Wide Field Array and the Australian SKA Pathfinder - to discover how big radio astronomy projects will see the universe in a new light. Plus, how understanding the physics of radio detectors helps us make better telescopes... Like this podcast? Please help us by supporting the Naked Scientists

Transcript

Click on a timestamp to play from that location

0:00.0

The Hello, Hello and this week scientists see people's dreams the next generation of batteries for electric cars and is a gut bacterial transplant the future for weight loss treatments

0:30.1

Plus we hear from Perth-based astronomer Kirsten Gotchjalk as she heads deep into the

0:35.3

Australian outback to take a look at the next generation of radio telescopes.

0:39.7

If you'd like to get in touch with us here at the naked scientists, email Chris at the naked

0:44.5

scientist dot com tweet at naked scientists or find us on Facebook.

0:49.4

The naked scientist podcast is powered by UKfast.co. UK.

0:55.0

And joining Dominic and me to take a look at what's making science headlines this week are Phil Broadwidth from Chemistry World magazine

1:07.9

Laurie Winkles from the National Physical Laboratory and

1:11.2

Neuroscientist David Weston Weston he's from Cambridge University

1:13.9

and Dominic scientists can now physically see what people are dreaming about

1:17.6

they're saying. That's right what people see in their dreams can be decoded

1:22.0

with a brain scan.

1:23.2

Now this is a team led by Tomayasu Horikawa of the ATR computational

1:28.8

neuroscience laboratory in Kyoto, Japan, who worked with three volunteers who were invited to try to sleep while lying in a functional

1:37.2

MRI scanner.

1:38.2

It's quite a noisy environment, so they gave these volunteers headphones and I think they played them some music to try and help them to relax.

1:45.0

But these volunteers must have had a lot of patience because they were asked to repeatedly drift off to sleep and then they were woken up after about six minutes and asked

1:55.0

what were you dreaming about? Yes because they were looking at the brain waves to see

1:58.6

when they nodded off and then immediately plucked them from sleep and said

2:02.1

did you see anything?

2:03.4

So that's right this MRI scanner was making maps of where the brains inside these

2:08.0

subjects were active and they then compared these maps of brain activity

...

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