Philosophers have long pondered the concept of a brain in a jar, hooked up to a simulated world. Though this has largely remained a thought experiment, CrowdScience listener JP wants to know if it might become reality in the not-too-distant future, with advances in stem cell research.
In the two decades since stem cell research began, scientists have learne ... Show More
Aug 15
How long does light last?
When listener Rob from Devon, UK, heard of a newly detected planet light years away, he was struck by the sheer scale the light must travel to reach us here on Earth. It got him wondering: How long does light last? What’s the oldest light we’ve ever observed? And does light ever ... Show More
26m 29s
Aug 8
Can we stop the rain?
CrowdScience listener Rit, from Pune in India, is staring out of his window at the falling rain. It’s been pouring for four days now, and shows no sign of stopping. The laundry is piling up, all his shoes are wet, and he’s worried about the effect it’s having on the environment, ... Show More
32m 21s
Mar 2021
The Theory of a Thousand Brains
In this episode, we talk with Jeff Hawkins—an entrepreneur and scientist, known for inventing some of the earliest handheld computers, the Palm and the Treo, who then turned his career to neuroscience and founded the Redwood Center for Theoretical Neuroscience in 2002 and Numenta ... Show More
39m 36s
Jul 2023
Bodies, brains and computers
We've been building computers to think like us for years, but our ability to replicate human senses has been impossible. Until now. Evolutionary biologist and broadcaster Professor Ben Garrod, is off to meet some of the sensory innovators and technological pioneers who are develo ... Show More
27m 36s
May 2023
Unlocking the mysteries of the brain’s neocortex
efJf Hawkins’ 2021 book A Thousand Brains: A New Theory of Intelligence, focuses on the neocortex and how it helps us to understand the world around us, before examining the future of artificial intelligence, based on what we already know about the brain.
In this final episode of ... Show More
26m 3s