The Science in the Bible

Entry 20 · Section 2: Build

Brick, Mortar, and the Kiln

Babel's workers fire bricks, while Israelite laborers in Egypt must maintain their quota after Pharaoh withholds straw.

Scripture: Gen 11:3; Ex 5:7–19

Materials Science

Reconstruction of an ancient brickmaking yard: clay and straw mixing, molding, sun drying, and kiln firing appear in one scene. The later strength and temperature figures remain working comparisons.
Reconstruction of an ancient brickmaking yard: clay and straw mixing, molding, sun drying, and kiln firing appear in one scene. The later strength and temperature figures remain working comparisons.

The question

What does straw contribute to mud brick, and how does firing change the finished material?

Why it matters

Straw controls drying and cracking as well as reinforcement, while fired and sun-dried bricks are different production systems.

Suggest a correction or new direction
About this preview: This page introduces the scene and question. It intentionally omits the entry's complete calculation, tables, sensitivity cases, and conclusion.