bronze- Yars’ Revenge (Wikipedia)
Yars’ Revenge is a 1982 video game designed by Howard Scott Warshaw for the Atari Video Computer System (Atari VCS). The game involves a fly-like humanoid alien race known as Yars attacking their arch-rivals the Qotile who have destroyed their habitable planets in their solar system. The players control a Yar and fire or devour an energy shield protecting the Qotile to finish off the enemy with their Zorlon cannon.
- Copper (Wikipedia)
Copper is a chemical element with the symbol Cu (from Latin: cuprum) and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a pinkish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement.