Magnetic ropes can be tied in nuclear knots
The Insane Math Of Knot Theory at https://www.youtube.com/watch?v=8DBhTXM_Br4 Magnetic ropes can be tied in nuclear knots, not orbits but closed paths. One can make permanent fuels with no mass, and when you snip at pre-weakens links, it gives up the energy cleanly, leaving no matter at all. With careful planning a macroscopic rope can be
Read More »