Marcus 2012

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Earth – moon gravity primer

15 years ago • 898 Views

Geologic time primer & carbon dating review

15 years ago • 2265 Views

Hollow earth, contrails & global warming calculations lecture

15 years ago • 1697 Views

Origins of mordern astronomy

15 years ago • 2802 Views

Scientific method vs. hollow earth theory

15 years ago • 1902 Views

The science behind journey to the center of the earth

15 years ago • 8040 Views

A hollow earth the inhabitants

15 years ago • 974 Views

Hollow earth art & recap

15 years ago • 989 Views

A new era for electric propulsion

15 years ago • 1565 Views

Advanced space propulsion concepts for interstellar travel

15 years ago • 14165 Views

Green ships and blue waters

15 years ago • 1229 Views

NASA aviation & alternative fuels workshop

15 years ago • 2469 Views

Hollow earth script

15 years ago • 3857 Views

Hollow Earth Excerpt

15 years ago • 333 Views

A hypothetical dissertation on hollow earth

15 years ago • 5847 Views

An annotated bibliography of imaginary subterranean

15 years ago • 333 Views

Bernard, dr. rw the hollow earth - the greatest geographical discovery in history made by admiral richard e. byrd in the mysterious land beyond the poles

15 years ago • 6235 Views

History of hollow earthexplorers

15 years ago • 2661 Views

Hollow earth & life in universe – a vedic view

15 years ago • 1676 Views

The ten lost tribes of israel hollow earth

15 years ago • 3467 Views

What curiosity in the structure hollow earth in science

15 years ago • 2056 Views

40th international conference on environmental systems

15 years ago • 3213 Views

Advanced space propulsion for the 21st century

15 years ago • 5433 Views

Advancing the science f flight technology

15 years ago • 2217 Views

Alternative energy research and spatial energy

15 years ago • 809 Views

Alternative fueled vehicles fact sheet

15 years ago • 362 Views

Alternative fuels and propulsion systems australian governemnt

15 years ago • 2768 Views

Alternative propulsion systems study

15 years ago • 1140 Views

Evaluation of green propellants for an icbm post boost propulsion system

15 years ago • 1345 Views

Gravitational field propulsion

15 years ago • 2762 Views

Green engines development using compressed natural gas as an alternative fuel

15 years ago • 5426 Views

Green trucks advanced transportation technology

15 years ago • 716 Views