Mirror

A mirror is an object that reflects an image.

Description of what it is like

Usually a flat sheet of glass with a dark or metallic backing that creates a clear reflection.

Origin and where to find it

• Must be manufactured. Requires high-quality Glass and metals like Silver or Aluminum.

Minimum processing required

• Polishing glass to a very flat surface.
• Applying a thin layer of metal to one side.
• Adding a protective backing paint.

Tools needed to work on it

• Glass cutters.
• Chemical baths for silvering.

Common forms of use

• Plane Mirror: Standard flat mirror.
• Curved Mirror: Concave or convex for focusing or spreading light.

Possible substitutes

• Polished Metal plates (less efficient).
• Still Water surface.

Limitations and common failures

• Fragility: Easily broken.
• Tarnishing: The reflective layer can corrode over time if not sealed.

Risks and safety

• Sharp edges: Broken glass is extremely dangerous.

Related materials

• Glass
• Silver
• Aluminum