There have been some encouraging results recently. For example: https://news.ycombinator.com/item?id=22269115 https://news.ycombinator.com/item?id=22269115 In

There have been some encouraging results recently. For example: https://news.ycombinator.com/item?id=22269115 https://news.ycombinator.com/item?id=22269115 In any case, the time frame we're talking about is 10-20 years from now. Lots of time for even more breakthroughs.