SCI-001 · ScienceSalt crystals: dissolve and recover
Follow a known table-salt mixture through dissolving, pouring, room-temperature evaporation, and a labeled crystal collection.
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SCI-002 · ScienceSulfur without a volcano
Find labeled elemental sulfur, distinguish sulfates and fillers, and understand non-volcanic deposits and handling limits.
SCI-003 · ScienceBiodiesel Decoded
Understand the wood-to-fuel episode and compare labeled commercial fuels with your equipment manual. No home fuel-making recipe.
SCI-004 · ScienceBrown Bird: fermentation science
An illustrated yeast experiment with four clear steps, a comparison worksheet and corrections to the Brown Bird vodka episode. No spirits recipe.
SCI-005 · ScienceGasoline from plastic: production process
Six manufacturing stages from identified plastic through conversion, refining and fuel testing, with a documented engine study and clear limits on car use.
Every PDF is free: no email, account, or payment. Guides expand on the videos with sources, safety notes, and practical limits.