unphysical

The states Balasubramanian cooks up are very “strange” and unphysical, he says, in that they instantaneously collapse to nothing.

Likewise "the idea that a change in orbit would cause something to get here from the asteroid belt in 18 days is also completely unphysical. These things orbit the Sun, so their travel time is like their orbital period, which is to say, at least a year."

In mathematical physics, solutions are often expected to be regular because the equations model phenomena at macroscopic scales — where things such as temperature or pressure distributions seem to be smooth — and where infinities would be unphysical.

What got him was all the unseen, unphysical burdens that can settle on a man’s mind and tense shoulders in his 40s: a cleave in his marriage, parenting concerns with three children, a crypto lawsuit, too many business obligations.

“What surprises me is that we were so unaggressive and so unphysical,” San Antonio coach Gregg Popovich said.