Note that different people have different research approaches. The two old ladies check that none of them can see herself and the problem is solved! ;-)
The other older lady makes an experiment with motion and rigorously determines that she is ... well ... unsichtbar. :-)
Why Quantum "Clippers" Will Distribute Entanglement Across The Oceans - The best way to build a global quantum internet will use containerships to carry qubits across the oceans, say physicists.
16 hours ago