Science and Technology are where humanity, as well as Steve and Alex-kind, are strong.
Beginning of Progress
Base Metals / Progressive Automation / Tinker's Construct > Iron Chests > Iron Backpacks
Iron Chests: Pouring Molten Metal over a chest.
Mechanical Genius
Buildcraft / Immersive Engineering
Buildcraft: Iron and Gold gears can only be Cast in Tinker's Construct Smeltery
Immersive Engineering: Engineers Hammer is made with an iron hammer head and a stick
Knowledge is Power
Storage Network / RFTools / Open Computers
All Require Steel (Immersive Engineering) and Chipsets (Buildcraft)
Crystal Technology
Deep Resonance
Deep Resonance: Requires
Machinae ex Deus
RFTools Dimensions / Modular Powersuits
RFTools Dimensions: Requires Dimensional Shards (RFtools) and (Storage Network)
Modular Powersuits: Requires Steel (Immersive Engineering), (OpenComputers)