Fish, amphibians, reptiles, and birds make them in a similar organ called the interrenal gland. Like all steroid hormones, glucocorticoids and mineralocorticoids produce effects by docking with receptors on the cell's membrane surface or inside the cell in the liquid cytoplasm. Binding in either location triggers different chemical signaling systems.
SPACEWAR. A space-combat simulation game for the PDP-1 written in 1960-61 by Steve Russell, an employee at MIT.SPACEWAR was inspired by E. E. Doc Smith's Lensman books, in which two spaceships duel around a central sun, shooting torpedoes at each other and jumping through hyperspace.MIT were wondering what to do with a new vector video display so Steve wrote the world's first video game.Steve now lives in California and still writes software for HC12 emulators. SPACEWAR aficionados formed the core of the early hacker culture at MIT.PACEWAR was inspired by E. E. Doc Smith's Lensman books, in which two spaceships duel around a central sun, shooting torpedoes at each other and jumping through hyperspace.
Remember this old classic? Space Invaders is one of the most addicting games that was ever made. The idea is very simplistic. You are a space ship who must destroy the invading enemy space ships as they descend upon your little 8-bit world. Use the [SPACE] bar to fire your gun at them and blow each ship to pieces. Be careful though, because these ships fire back and as you deplete their numbers, the space invaders get faster and faster until the last remaining ship appears to move at near warp speed.