Hex or Machine Code, as you like it. Don't try to read it, very very very very few people can, and they trained for many many years to learn how to interpret it. If you have the NovaTools plug for ResEdit (for Nova) or the TMPLs installed for EV/EV:O (just copy them over from the Sample Plugin that's provided with EV or EV:O), you shouldn't be seeing hex. After you get one of those, if you do hit hex, then you're very likely someplace you're not supposed to be, so it'd be a good idea to get out before you accidentally corrupt the file (I've done this before -- hit a key accidentally, that screwed up one little hex character, and killed the game).
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Suddenly, the little scoutship disappeared and then reappeared right behind the alien warfleet. The gravitic ship's captain hailed the armada. "You are going to be destroyed, but I will give you a choice as to how you want to spend eternity: big pieces, little pieces, or quarks?"
Dead silence.
"Quarks it is, then."