lördag 25 januari 2020

Are you afraid of AI? You should not. Focus on the right things!

There is a large debate about the dangers of AI. It is really a pseudo-debate. What we should be afraid of is climate change, nuclear weapons, pandemics and antibiotic resistant bacteria.

Researchers recently published some impressive results where they mapped almost 25000 neurons in a fly's brain. Very cool. But, as highlighted, humans have about 86 billion neurons in our brains. So, probably neural networks of human size will not be mapped any time soon (and by extension, definitely not creates, arguably a harder feat then mapping an existing one):
The plot shows two recordings of biological neural networks being maps, in 1986 and the 2019 study respectively. The green line shows an exponential extrapolation assuming our mapping speed is keep with exponential growth. The orange line indicate the size of the human brain. It can be seen that we can expect to map it around 2125. It is more than 100 years in the future.
As a comparison, the grey shaded region show the time we have known that we need to reduce carbon emission and roughly the time we have left before that needs to be done. I think it is quite clear we need to focus on the right things.

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