PowderJ

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Realistic Rocket Payloads

PowderJ 8 comments

Critical Singularity

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Hypernova

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Realistic Two-Stage Rocket

PowderJ 60 comments

Laser Cooler

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GLOW+WATER=DEUT

PowderJ 4 comments

Realistic Nuclear Bomb v1b

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Realistic Nuclear Bomb v2b

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Realistic Nuclear Bomb v2

PowderJ 2 comments

Realistic Nuclear Bomb v1a

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Radioactive Waste Storage

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Realistic Two-Stage Rocket v1

PowderJ 48 comments