Nature Podcast: 7 May 2015
Nature Podcast
podcast@nature.com
4.5 • 893 Ratings
🗓️ 6 May 2015
⏱️ 26 minutes
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| 0:00.0 | This week, Soldier-on-Pas retirement or give it all up to travel the world. |
| 0:07.0 | If I were stuck at home, I would be more on my own, weeding my leaks. |
| 0:12.0 | A microchip that learns like the human brain. |
| 0:15.0 | We don't really know what's happening inside and eventually the system kind of magically converges. |
| 0:25.5 | Plus, a new species found in a deep sea vent shakes the branches of the tree of life. |
| 0:28.3 | This is the nature podcast for May 7th, 2015. |
| 0:29.6 | I'm Kerry Smith. |
| 0:31.0 | And I'm Adam Levy. |
| 0:38.5 | The computer in your laptop or phone works completely differently to the computer in your head. |
| 0:45.4 | There are over 80 billion neurons in the human brain, and each neuron is connected to thousands of others by synapses. |
| 0:49.1 | This intricate network can store and process information. |
| 0:56.2 | For computers, on the other hand, information is normally stored and processed in different places, which can really slow things down. |
| 0:59.4 | But why not build a computer modelled on the human brain? |
| 1:07.4 | That's exactly what researchers are starting to do, making use of a device called a memorista, which works a lot like an artificial synapse. |
| 1:12.2 | Now, a team led by Dmiti Stuchov of University of California, Santa Barbara, |
| 1:16.0 | who have shown that such a computer can recognise a three-by-three pixel pattern. |
| 1:21.4 | Wait, wait, wait, Adam, nine pixels? Well, I for one welcome our new robot overlords. |
| 1:26.5 | Yes, well, the chip isn't programmed to recognise these patterns. It has to learn by itself. |
| 1:29.5 | Plus, it's really early days for this type of technology. |
| 1:32.6 | The hope is that the chip could easily be scaled up. |
| 1:36.0 | But what use would a brain-like chip have in the first place? |
| 1:39.4 | I called Dmitzsche Strukov, and he gave me a couple of examples. |
... |
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