Tangentially related: in Joe Haldeman's SF novel "The Forever War", at some point "stasis field generators" are added to the arsenal. They limit the maximum spe

Tangentially related: in Joe Haldeman's SF novel "The Forever War", at some point "stasis field generators" are added to the arsenal. They limit the maximum speed (of matter and photons) inside a small volume of space to less than 20 m/s (not counting the insides of specially shielded space suits). If you want to root out enemy troops holed up inside the field, you need to get in with bows, arrows, javelins and swords.