- Battlezone (Atari 2600) online game (atarionline.org)
Battlezone is a first-person shooter tank combat game first released for arcades in November 1980 by Atari. It was a huge success, approximately 15,000 units sold. Battlezone was ported to Atari 2600 only in 1983.
- Salt (chemistry) (Wikipedia)
In chemistry, a salt is a chemical compound consisting of an ionic assembly of positively charged cations and negatively charged anions, which results in a compound with no net electric charge. A common example is table salt, with positively charged sodium ions and negatively charged chloride ions.