Solving the Conway knot problem took mathematician Lisa Piccirillo on a journey into the fourth dimension. Here’s how she did it Source: https://www.newscientist.com/article/mg24732941-000-lisa-piccirillo-how-i-cracked-a-50-year-old-maths-problem-in-a-week/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home…