Scientists thoroughly understand Global Warming, and know exactly how much the seas will rise in 100 years.
And, oh yeah, we’re also beginning to understand that “knitting” stuff too ...
During the industrial revolution, different types of complex knitting machines were invented for socks, underwear, just about everything. Then they came up with a home knitting machine, but I didn’t persist to get the hang of it. I prefer to knit by hand but need instructions or diagrams. Some people can just cast on some stitches and make about anything on the fly.