- Astroblast (Atari 2600) online game (atarionline.org)
Atari 2600 Astroblast is a conversion of Intellivision’s Astrosmash, a fixed shooter video game. The game features a blend of gameplay elements from Space Invaders and Asteroids. Players control a laser cannon that can scroll left or right along a flat plane to target falling objects like large or small meteors, large or small spinning bombs, guided missiles, and occasionally a UFO that crosses the screen at higher levels. The background showcases low hills and stars.
- Sodium hydroxide (Wikipedia)
Sodium hydroxide, also known as lye and caustic soda, is an inorganic compound with the formula NaOH. It is a white solid ionic compound consisting of sodium cations Na+ and hydroxide anions OH−.