Rockets
Ablatives (Henry Spencer)
Aerospikes (Henry Spencer; Ben Muniz; Jeff Greason)
Cold steel's brittleness (Henry Spencer)
Chamber materials (Dani Eder; Henry Spencer)
Chamber pressure (Doug Jones; Henry Spencer)
Combustion instability (Doug Jones; Henry Spencer)
Deep throttling (Henry Spencer)
Detonation rocket (Jordin Kare)
Efficiency (Bruce P. Dunn; Henry Spencer)
Engine cycles (Doug Jones)
Engine reliability (Jeff Greason)
Engine reusability (Henry Spencer)
Engine temperatures (Gary Hudson)
Exhaust backflow (Henry Spencer)
Exhaust color (Doug Jones; Henry Spencer)
Expander cycle (Henry Spencer; Jim F. Glass)
Hybrids (Jeff Greason; Bevin McKinney; Bruno Berger; Henry Spencer)
Ignition (Paul F. Dietz; Doug Jones; George Herbert; Henry Spencer)
Improvements (Henry Spencer; Jeff Greason)
Injectors (Henry Spencer)
Ion engines (Henry Spencer)
Altitude compensation using a jet engine (Gary Hudson)
Jet packs (Jordin Kare; Bill Higgins)
Liquid engine failure (Henry Spencer)
Liquid vs solid (Bruce Dunn)
LOX cooling (Doug Jones)
Lunar module throttling (Henry Spencer)
Metal autoignition (Andrew Higgins; Doug Jones; Henry Spencer; Jeff Greason)
Niobium nozzles (Jeff Greason)
Nozzles (Henry Spencer; Jim Glass)
Nuclear-thermal rockets (Paul F. Dietz; Henry Spencer; James A Davis)
Overexpansion (Henry Spencer)
Piston pumps (Jordin Kare)
Pogo oscillations (Henry Spencer)
Pressure-fed rockets (Gary Hudson)
Pressurization (Henry Spencer)
Primitive rockets (George William Herbert; Henry Spencer; James A Davis; Tom Billings)
Pumps (Jordin Kare)
Radiative cooling (Henry Spencer)
Reinforced propellant (Dani Eder)
Engine restart (Henry Spencer)
The RL10 (Bruce Dunn; Gary Hudson; Henry Spencer)
Rocket design books (Henry Spencer)
Rocket noise (Jeff Greason; Doug Jones; Gary Hudson; Henry Spencer)
Rocket steering (Henry Spencer; Jordin Kare)
Russian engines (Paul F Austin)
Shuttle exhaust (Henry Spencer)
Inefficiencies of small rockets (Dani Eder; Jordin Kare)
Specific impulse (Henry Spencer)
The SSME (Henry Spencer; Bruce Dunn)
Staged combustion (Henry Spencer)
Telescoping nozzles (Henry Spencer)
Testing (Henry Spencer)
Thermal rockets (Doug Jones)
Turbopumps (Paul F. Dietz; Bruce Dunn; Henry Spencer)
X1 engine (Doug Jones)
Rocket fuels
Acetylenes (Bruce Dunn; Henry Spencer)
Aluminum as a fuel (Jordin Kare)
Carbide fuel (Jeff Greason)
Carbon monoxide (Paul F. Dietz)
Chilled fuel (Bruce Dunn; Henry Spencer)
ClF5 (Henry Spencer)
Exhaust and the ozone layer (Henry Spencer)
Flame temperatures (Henry Spencer)
Fluorine (Bruce Dunn; Henry Spencer)
Fuel costs (Bruce Dunn; Henry Spencer)
Fuel ratio (Henry Spencer)
The reason for running fuel-rich (Henry Spencer)
Fuel table (Bruce Dunn)
Hydrazine (Doug Jones; Henry Spencer)
Hydrazinium nitroformate (Bruce Dunn)
Hydrogen delta-V (Henry Spencer; Mitchell Burnside Clapp)
Hydrogen (Gary Hudson; Henry Spencer)
Hypergolic (Henry Spencer)
The book "Ignition", by Clark (Henry Spencer)
Inhibited nitric acid (Bruce Dunn)
Kerosene (Jeff Greason; Henry Spencer)
Li-F-H (Jeff Greason; Henry Spencer)
Liquid hydrogen (Henry Spencer)
LOX (George Herbert; Henry Spencer; Tom Perigrin)
Lunar fuels (Henry Spencer)
MAPP (Bruce Dunn)
Monopropellants (Henry Spencer)
Nitric acid (Jeff Greason; Doug Jones; George William Herbert; Henry Spencer)
Nitrous oxide (Henry Spencer)
NO2 (Henry Spencer)
Ozone (Bill Higgins; George Herbert; Henry Spencer)
Hydrogen Peroxide (George Herbert; Henry Spencer; Jeff Greason; Rick Ballard; Bruce Dunn; Jordin Kare)
Propane (Paul F. Dietz; Bruce Dunn; Henry Spencer)
Propargyl alcohol (Bruce Dunn)
Regenerative coolants (Jeff Greason; Gary Hudson; Henry Spencer)
Storables (Henry Spencer; Jim Davis)
Thermodynamic data references (Henry Spencer)
TNT (Larry Curcio; Doug Jones; Gary Hudson; Bevin McKinney)
UDMH (Doug Jones)
Xenon (Paul F. Dietz)
Spacecraft
Airbag landing (Henry Spencer)
Airlocks (Henry Spencer)
Analog computers (Henry Spencer)
Artificial gravity (Theodore W. Hall; Charles R Martin; Henry Spencer)
ASAT (George Herbert; Henry Spencer)
Backup computers (Henry Spencer)
Beryllium (Henry Spencer)
Burn-in (Henry Spencer)
Capsule smell (Henry Spencer)
Cassini (Henry Spencer)
Catalyst bed heaters (Brett Buck)
Cats landing on feet; orientation changes in space (David M. Palmer; Henry Spencer)
CCD shielding (Jordin Kare)
Clementine (Dani Eder; Henry Spencer; Jordin Kare)
Cold-welding (Henry Spencer)
Comsat eclipses (Phil Karn; Henry Spencer)
Comsat lifetime (Henry Spencer)
Comsats (Henry Spencer)
Conductive tether (Dani Eder)
Cost per pound (Dani Eder)
Crasher stages ("Doug"; Henry Spencer)
Debris shielding (Dani Eder; Henry Spencer)
Deep Space Network (Henry Spencer)
Dyna-Soar (Henry Spencer)
Explosive bolts (Jordin Kare; Kim Keller; Henry Spencer)
Flight software (Henry Spencer)
Galileo (Henry Spencer)
Gimbal lock (Henry Spencer)
GPS (Dani Eder; Henry Spencer; Phil Karn; Jordin Kare)
Gyros (Brett Buck; Henry Spencer; Jordin Kare)
Hard disks in vacuum (Henry Spencer; Jordin Kare)
Helium cooling (Doug Jones; Henry Spencer)
Hubble (Henry Spencer)
Hydrogen's flammability (Doug Jones)
Hydrogen storage (Bruce Dunn; Henry Spencer; Steve Willner)
Inflatable space station (Henry Spencer)
Interfaces (Henry Spencer)
Ion engine (Bruce Dunn; Dani Eder)
ISS computers (Dani Eder; Josh Hopkins)
ISS (Henry Spencer)
Laser communication (Henry Spencer; Jordin Kare; Mark Adler)
Leak checking (Henry Spencer)
Magnetically clean (Henry Spencer)
Mars Observer (Henry Spencer)
Mil-spec (Henry Spencer)
Mir (David K Cornutt; James Oberg)
MPL (Brett Buck; Frank Crary; Geoffrey A. Landis; Henry Spencer; James Oberg)
Navigation (Henry Spencer; Mary Shafer)
Nuclear ASAT (Allen Thomson)
Orbital assembly (Henry Spencer)
Orbital attitude axes (John Prussing)
Passive cooling (Henry Spencer)
Photo calibration grid (Henry Spencer)
Radiation-hard electronics (Jordin T. Kare; Henry Spencer)
Radiation pressure (Phil R. Karn)
Radiation shielding (Henry Spencer)
Reactors in space (Henry Spencer)
Recycling (Henry Spencer)
Regenerative fuel cells (Jordin Kare)
Reprogrammable spacecraft (Henry Spencer)
Rigid tube manufacture in space (Henry Spencer)
Safety factors (Henry Spencer)
Satellite communication links (Henry Spencer)
Satellite nondecay (Allen Thomson)
Satellite pointing (Dani Eder)
Satellite tracking (Henry Spencer)
SDI (Doug Jones; Henry Spencer)
Skylab (Henry Spencer)
Solar cells (Dani Eder; Doug Jones; Henry Spencer; Geoffrey Landis)
Solar dynamic power (Henry Spencer)
Solar power satellites (Dani Eder; Henry Spencer; Jordin Kare)
Solar sails (Henry Spencer; Jordin Kare)
Space electronics (Henry Spencer; Phil Karn)
Space lubricants (Henry Spencer)
Space nukes (Henry Spencer)
Space pen (Henry Spencer)
Space station (George William Herbert; Henry Spencer; James Oberg)
Space toilet (Henry Spencer)
Spin axes (Henry Spencer)
Spin (Henry Spencer)
Spot imagers (Henry Spencer)
Star trackers (Henry Spencer; Jordin Kare)
Stirling engines (Jordin Kare)
Tethers (Henry Spencer)
Thermionic conversion reactors (Henry Spencer)
Urine recycling (Doug Jones; James Oberg)
Voyager datalink numbers (David Smith; Phil Karn)
Water recycling (Henry Spencer)
Apollo
Apollo 13 (Henry Spencer)
The Apollo 1 fire (Henry Spencer)
Apollo 6 (Henry Spencer)
Redoing Apollo today (Henry Spencer)
Apollo books (Henry Spencer)
Apollo cameras (Dani Eder)
Apollo computer (David Smith)
Apollo crew size (Henry Spencer)
Apollo extensions (Henry Spencer)
Apollo heatshield (Henry Spencer)
Apollo's innovations (Henry Spencer)
Apollo landing sites (Henry Spencer)
Apollo lightning hit (Henry Spencer)
Apollo navigation (Henry Spencer)
Apollo staging (Henry Spencer)
Apollo cabin atmosphere (Henry Spencer)
Apollo capsule reuse (Henry Spencer)
CM-SM connection (Henry Spencer)
Electroluminescent displays (Henry Spencer; OM; "Dave")
Free-return trajectories (Henry Spencer)
Gemini (Henry Spencer)
Saturn V launch flame-belch (Henry Spencer)
Launch escape tower (Henry Spencer)
Lifting reentry (Henry Spencer; James Summers)
Lunar Module landing (Henry Spencer)
Lunar Module (Henry Spencer)
Lunar Module mounting (Henry Spencer)
Mission letters (Henry Spencer)
Quarantine (Henry Spencer)
Ranger (Henry Spencer)
Self destruct (Henry Spencer)
Saturn V roll after takeoff (Henry Spencer)
Water landing (Henry Spencer)
Space Shuttle
Challenger (George Herbert; Henry Spencer; James Oberg)
Challenger risk briefings (Mary Shafer)
Enterprise (Henry Spencer)
External Tank (Bruce Dunn; Henry Spencer; Dani Eder)
External Tank insulation (Henry Spencer)
Forward firemen (Henry Spencer)
Fuel cell tanks (Dani Eder)
Getaway special cans (Phil R. Karn)
J2S engines (Gary Hudson)
Launch abort (Joe Pistritto)
MMUs (Henry Spencer)
Orbiter debris hits (Henry Spencer)
O-rings (Henry Spencer)
PIO (Mary Shafer)
Replacement shuttle costs (Dani Eder)
Taking the Shuttle to 51 degrees (Henry Spencer; James Oberg)
Shuttle abort (Gary Hudson; Henry Spencer; Mary Shafer)
Shuttle alternatives (Henry Spencer)
Shuttle altitude (Henry Spencer)
Shuttle bay doors (James Oberg)
Shuttle book (Bruce Dunn; Henry Spencer)
Shuttle-Centaur (Henry Spencer)
Shuttle control (Henry Spencer; Mary Shafer)
Shuttle cooling (Henry Spencer)
Shuttle cost (Henry Spencer)
Shuttle crossrange ability (Henry Spencer; James Oberg)
Shuttle-C (Dani Eder; Henry Spencer)
Shuttle development (Henry Spencer)
Shuttle emergency landing sites (Henry Spencer)
Shuttle escape ball (Henry Spencer)
Shuttle escape (Henry Spencer)
Shuttle hatch lock (Fred Leslie; James Oberg)
Shuttle landing (Henry Spencer)
Shuttle launch costs (Henry Spencer)
Shuttle life (Henry Spencer)
Shuttle maneuvering (Henry Spencer)
Shuttle piloting (Henry Spencer)
Shuttle processing (Kim Keller; Henry Spencer)
Shuttle satellite launch (Phil R. Karn)
Shuttle security (Henry Spencer)
Shuttle supports (Dani Eder; Henry Spencer)
Shuttle tiles (Dani Eder)
Shuttle tires (Henry Spencer)
Shuttle trajectory (Dani Eder)
SRB failure (Dani Eder)
SRB fuel (Henry Spencer)
SRB ignition (Phil Karn; Henry Spencer)
SRB reuse (Henry Spencer)
SRB shutdown (Henry Spencer)
SRBs (Dani Eder; Henry Spencer; Dennis R. Jenkins; Josh Hopkins)
SSME ignition (Henry Spencer)
TDRS (Henry Spencer)
Launchers
Aerodynamics books (Jeff Greason)
Airbreathing launchers (Henry Spencer)
Atlas (Gary Hudson; Henry Spencer)
Balloon tanks (Henry Spencer)
Buran (Henry Spencer; James Oberg)
Cape Canaveral (Henry Spencer)
Counterrotating propellors (Henry Spencer)
Cryo tank filling (Henry Spencer)
DC-X (Frank Crary; Gary Hudson; Henry Spencer; Jordin Kare)
Destruct charges (Henry Spencer)
Ejection (George William Herbert; Henry Spencer; Mary Shafer)
Escape tower (Henry Spencer; Thomas L. Billings)
Expendable tanks (Henry Spencer)
Flame trench (Dani Eder)
Fuel tank scaling laws (Henry Spencer)
Fuel tanks (Jeff Greason; Doug Jones)
Guidance algorithms (Henry Spencer; MJessick@aol.com "Matt")
Horizontal vs. vertical landing (Henry Spencer; Mitchell Burnside Clapp)
Jet-powered first stage (Dani Eder)
Lander legs (Henry Spencer)
Landing crater (Henry Spencer)
Landing gear weight (Gary Hudson; George Herbert; Henry Spencer)
Landing (Doug Jones; Henry Spencer)
Launcher testing (Jeff Greason; Henry Spencer)
Launch towers (Henry Spencer)
Launch trajectory (Henry Spencer)
Medical lifeboat (Henry Spencer)
Missile heritage (Henry Spencer)
Moon exploration/launcher book (Henry Spencer)
Parking orbit (Henry Spencer)
Personal reentry (parachute from orbit) (Henry Spencer)
Phoenix (Dani Eder)
Reentry (Jeff Greason; Andrew Higgins; Henry Spencer)
Refractory metal skins (Henry Spencer)
Reliability (Allen Thomson; Henry Spencer)
Rocket spin-stabilization (Henry Spencer)
Roton (Gary C. Hudson; Jeff Greason; Bevin McKinney; Doug Jones; Henry Spencer)
Saturn I (Henry Spencer)
Saturn naming (Henry Spencer)
Saturn variable mixture (Henry Spencer)
Saturn V failure (Henry Spencer)
Saturn V guidance (Henry Spencer)
Saturn V preparation (Henry Spencer)
Saturn V (George Herbert; Henry Spencer; Jim Scotti)
Scramjets (Henry Spencer)
Space plane (Henry Spencer)
SSTO (Single Stage To Orbit) (Dani Eder; Henry Spencer)
Stability (Jeff Greason; George Herbert)
Staging (Henry Spencer)
Stagnation temperature reference (Jeff Greason; John Hare)
Trajectory (Henry Spencer)
US launcher summary (Henry Spencer)
V3 (Henry Spencer)
Vertical takeoff (Henry Spencer)
Water cooled reentry (Gary Hudson)
Winged Saturn (Dani Eder)
X15 (Jim Davis; Henry Spencer; James A Davis; Mary Shafer)
X-29 (Henry Spencer)
X33 (Henry Spencer; Robert I. Baumgartner; Jeff Greason; George Herbert; Henry Spencer; Mitchell Burnside Clapp)
Zenit (Allen Thomson; Henry Spencer)
Miscellaneous
Aerogels (Jordin Kare)
Airplane economics (Jeff Greason)
The "Atomic Cannon" (Doug Jones)
Military aviation attack height (Henry Spencer)
Arizona missile silo museum (Bruce Dunn)
B52s (Henry Spencer)
Babbage (Henry Spencer)
Betacloth (fiberglass clothing) (Henry Spencer)
"Billion" (Henry Spencer)
Cancer rates (Henry Spencer)
Centrifugal force from the Earth's rotation (Henry Spencer)
Concorde (Henry Spencer)
Cousteau (Henry Spencer)
Crustal uranium (George William Herbert)
The book "Dark Sun" (Dwayne Allen Day)
Dollar bills (Doug Jones)
Duct tape (Henry Spencer)
The Dvorak keyboard (Paul F. Dietz; Henry Spencer)
Earthquakes (George Herbert)
Eyewitness reports (Henry Spencer)
Falling mammals (Henry Spencer)
Fighter canopies (Henry Spencer)
Glass types (Henry Spencer)
Gravity aberration (Henry Spencer)
Harrier (Henry Spencer)
Hawaii (Henry Spencer)
Heavy airlift (George William Herbert; Henry Spencer)
Heavy water (Paul Dietz)
High altitude balloon (Doug Jones; Henry Spencer)
Himalayas (Henry Spencer)
Hydrocephalics (David Palmer)
Making ice in the desert (Henry Spencer)
Interstates (Henry Spencer; Mary Shafer)
IR countermeasures (Henry Spencer; Mary Shafer)
Light bulbs (Henry Spencer)
Breathing liquids (Henry Spencer)
Liquid helium (Henry Spencer)
Little Boy (Henry Spencer)
Longitude (Henry Spencer)
Metals' vapor pressures (Paul F. Dietz)
Metric prefixes (Henry Spencer)
Microsoft (Henry Spencer)
Naval automation (George William Herbert)
Newton quote (Henry Spencer)
Night vision (Henry Spencer)
Nuclear detection (Paul F. Dietz)
Nuclear-powered bombers (Henry Spencer)
Nuclear torpedo (Henry Spencer)
Old low-radiation steel (Henry Spencer)
Parafoils (Jordin Kare)
Project HARP (Bruce Dunn)
Reactor coolants (Paul F. Dietz; Henry Spencer)
Season lag (Henry Spencer)
Shaped charges (Andrew Higgins)
Ship economics (George Herbert)
Smallpox (Henry Spencer)
Social Security (Henry Spencer)
Sonic boom elimination (Jeff Greason; Henry Spencer; James A Davis; Rand Simberg; Steinn Sigurdsson)
Sonic booms (Karl Swartz; Mary Shafer; Henry Spencer)
Space debris (Henry Spencer; Phil Karn)
In-space nuclear detonations (Henry Spencer)
SR71 (George Herbert; Henry Spencer; Mary Shafer)
The standard kilogram (Henry Spencer)
Sterile cockpit (Mary Shafer)
Tall buildings (George William Herbert)
Airplane thrust reversers (Henry Spencer; Mary Shafer)
Unicorns (Henry Spencer)
Units (Henry Spencer)
WD40 (Henry Spencer)
White Sands (Henry Spencer; Mary Shafer; Steve Wachowski)
X-15 reliability experience (Henry Spencer)
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Exotics
Antimatter (Gordon D. Pusch; Henry Spencer)
Antimatter bombs (Gordon D. Pusch)
Antimatter storage (Bill Higgins)
Bubbleworld (Dani Eder)
Buckytubes (Henry Spencer)
Bussard buzz-bomb (Jordin Kare)
Bussard Ramjet (George Herbert; Henry Spencer)
Carbon fiber (Dani Eder)
Carbonyl process applied to asteroids (Andrew Case)
Cycling spacecraft (Doug Jones)
Fusion (Gordon D. Pusch; Henry Spencer; Paul F. Dietz)
Gamma ray laser prospects (Jeff Greason)
Gas gun explosive (Andrew Higgins)
Gun launch (Andrew Higgins; Bruce Dunn; Doug Jones; George Herbert; Dani Eder; Henry Spencer)
Gun velocity (Andrew Higgins; Bruce Dunn)
Helium-3 (Dani Eder; Paul F. Dietz; Henry Spencer)
Interstellar debris (Gordon D. Pusch)
Interstellar gun (Dani Eder)
Interstellar travel (Henry Spencer)
Laser launch (Henry Spencer; Jordin Kare)
Light gas gun (Andrew Higgins; Dani Eder; Jordin Kare)
Magnetic deceleration (Doug Jones)
Mass drivers (Andrew Higgins; Doug Jones; Henry Spencer)
Nuke-powered cannon (B. McKinney)
Orion (Paul F. Dietz; Andrew Higgins; Henry Spencer)
Project Pluto (Bill Higgins; Henry Spencer)
Railguns (Bruce Dunn)
Relativistic debris shields (Henry Spencer)
Ringworld (Henry Spencer)
Skyscrapers (George William Herbert)
Sling launcher (Andrew Higgins)
Stable plasma (Jordin Kare)
Tethers (Dani Eder; Jordin Kare; Hans Moravec)
Project Thunderwell (Henry Spencer)
Tower launch (Geoffrey A. Landis; Dani Eder; Jordin Kare)
Tow rope launch (Dani Eder)
Optics
Adaptive optics (Dani Eder; Jordin Kare)
Hubble (Geoffrey A. Landis; William H. Jefferys; Henry Spencer)
Mercury mirrors (Jordin Kare)
Optical flats (Jordin Kare)
Refractor telescopes (Jordin Kare)
Orbits
Aerobraking (Dani Eder)
Astronomy books (Henry Spencer)
Direct ascent (Henry Spencer)
GEO launch windows ("Burns")
Geostationary (Henry Spencer)
Glenn's Mercury flight orbit (James Oberg)
The gravitational constant (Henry Spencer)
Gravity assists (Henry Spencer)
ISS launch windows (Henry Spencer)
ISS's orbit (James Oberg)
Lagrange points (Henry Spencer)
Lunar orbit (Henry Spencer)
Mercury's orbit (Henry Spencer)
Moon capture by a planet (Henry Spencer)
The Moon's orbit (Henry Spencer)
The N-body problem (Henry Spencer)
Nodal regression (Henry Spencer; James Oberg)
Orbital lifetimes (Henry Spencer)
Orbital plane changes (Henry Spencer)
Orbit books (Henry Spencer)
Orbit definitions (Henry Spencer)
Orbit selection (Henry Spencer)
Polar orbits (Henry Spencer)
Precession (Henry Spencer)
Radiation drag (Henry Spencer)
Reaching the sun (Henry Spencer)
Resonances (Henry Spencer)
Spheres of influence (Henry Spencer)
Stopovers (Henry Spencer)
Orbit "pumping" with a tether (Henry Spencer)
Three-body problem (Henry Spencer)
Tidal circularization of orbits (Henry Spencer)
Tidal lock (Henry Spencer)
Trojan points (Henry Spencer)
Politics, Society
Accidents (Henry Spencer)
Alligators (Jordin Kare)
Amundsen (Henry Spencer; Paul F. Dietz)
Apollo (Henry Spencer)
Archimedes (Henry Spencer)
Architects (Henry Spencer)
Astronauts (Henry Spencer; Jim Scotti; Mary Shafer)
The Avro Arrow (Henry Spencer)
Bidding procedures (Dani Eder)
Boeing policy (Dani Eder)
Bolshie-bashing (James Oberg; John Coggeshall; Julie Clements; Keith Cowing)
Bomber Command (WW2) (Henry Spencer)
Bribery (Henry Spencer)
The GSA bureaucracy (Mary Shafer)
Martin Caidin's books (Henry Spencer)
California power (Doug Jones)
Cameras (Henry Spencer)
Capital availability (Dani Eder)
Carter (Henry Spencer)
Cassini plutonium (Bill Higgins; Charles Buckley; George Herbert; Henry Spencer; Paul Dietz)
Chechnya (James Oberg)
CN tower (Henry Spencer)
Coffee (Henry Spencer)
Columbus (Henry Spencer; Steinn Sigurdsson)
Comet discoverers (Henry Spencer; Richard A. Schumacher)
Commercial use of Usenet (Henry Spencer)
Competition (Jeff Greason; Henry Spencer)
Consulting (Jordin Kare)
Copernicus (Frank Crary; Henry Spencer)
Cost estimating (Dani Eder)
Costs (Doug Jones; Gary Hudson; Henry Spencer)
Covert launch (Allen Thomson)
Cronkite (James Oberg)
Deep space nuclear bombardment force (Henry Spencer)
Engine development (Jeff Greason)
Falling Pinto (Carolyn P. Meinel)
Fear (Mary Shafer)
Federal acquisition (Henry Spencer)
The Fifties (Henry Spencer)
Full-moon effect on havoc (Henry Spencer)
Galileo (Henry Spencer)
Germans (Henry Spencer)
Glenn (Henry Spencer; James Oberg; Michael Cassutt)
Al Gore and the Internet (George William Herbert)
Government contractors (Mary Shafer)
Government help (Henry Spencer)
Heinemann (Henry Spencer)
Heinlein (Henry Spencer)
Hubble delay (Henry Spencer)
Hurricane warning (Frank Crary)
Indians (Henry Spencer)
Iraqi supergun (Allen Thomson; Henry Spencer)
ITAR (Jeff Greason)
Japan (Henry Spencer)
Jury nullification (George Herbert)
Kazakhstan renaming (James Oberg)
Lyndon LaRouche (Dale Amon)
Launch costs (Dani Eder)
Leaks (Allen Thomson)
Lend-Lease (Henry Spencer)
Liberals (Henry Spencer)
Mars 96 (James Oberg)
Microgravity (Henry Spencer)
Military launches (Phil Karn)
Missile gap (Henry Spencer; James Oberg)
Moon race (Henry Spencer)
Moon treaty (Henry Spencer)
NACA (Jeff Greason; Henry Spencer; James Oberg)
NASA administrator (Henry Spencer)
NASA and ICs (Henry Spencer; Paul Dietz)
NASA censorship (Allen Thomson; James Oberg)
NASA information (Jeff Greason)
NASA lightbulb (Jordin Kare)
NASA (Jeff Greason; Dave Michelson; Henry Spencer; Rand Simberg; Ken Hollis)
NASA Russian experts (James Oberg)
Natives (Henry Spencer)
Nuclear secrets (Henry Spencer)
OCST (Henry Spencer)
Orwell (Henry Spencer)
Patents (Jeff Greason; Henry Spencer)
Patriot vs Scud (Henry Spencer)
Pegasus (Greg Kuperberg; Henry Spencer; Mary Shafer)
Private enterprise (Jeff Greason; Henry Spencer)
"Proprietary" (Henry Spencer)
Regulation (Henry Spencer; Jeff Greason)
RTGs (Allen Thomson; Henry Spencer)
Russian coverups (Henry Spencer; James Oberg)
Russian partnership (James Oberg)
Russian rocket scientists (James Oberg)
Russian space book (David Lednicer)
Sagan (Frank Crary; Geoffrey A. Landis; Henry Spencer)
Salvage law (Henry Spencer)
The destruction of the US satellite industry (Henry Spencer)
School stupidity (Joe Dellinger)
Scientific American magazine (Michael Pelletier)
SDI (Dani Eder; Henry Spencer; Thomas L. Billings; James Oberg)
Skunk Works (Henry Spencer)
Soviet collapse predictions (Allen Thomson)
Space costing (Henry Spencer)
Space industries (Paul F. Dietz)
The Space Station's budget (Dani Eder)
Space tourism (Henry Spencer)
Space treaties (Henry Spencer)
Technological limits (Henry Spencer)
Technology leakage (Jeff Greason; Henry Spencer)
Tsien (Andrew Higgins; Dwayne Allen Day; James Oberg)
TV advertisers (James Oberg)
UFOs and Gordon Cooper (James Oberg)
The Gemini 11 UFO (James Oberg)
Ratcsh UFO retraction (James Oberg)
UFOs over South America (James Oberg)
US citizens and laws (Henry Spencer)
Von Braun (Henry Spencer)
Weapons of mass destruction (Allen Thomson; Henry Spencer)
Weapons permits (George William Herbert)
Wen-Ho Lee (Allen Thomson)
Science, Exploration
Antarctic isolation (Henry Spencer)
Appendicitis (Henry Spencer)
The asteroid belt (Henry Spencer)
Asteroidal ice (Henry Spencer)
Asteroid mining (Henry Spencer; Paul F. Dietz)
Asteroids (Henry Spencer)
Asteroid steel (Dani Eder)
Astronomical distance measurements (Henry Spencer; Ned Wright; Steven B. Harris)
Astronomical unit (Henry Spencer)
Biosphere II (Dani Eder)
Breathable atmospheres (Doug Jones; George Herbert; Henry Spencer)
CCDs (Henry Spencer)
CO2 percentages (Henry Spencer)
Cosmic rays (Henry Spencer)
Cosmic ray shielding (Henry Spencer)
The cosmological constant (Henry Spencer)
The diffraction limit (Henry Spencer)
The ecliptic (Henry Spencer)
Extinction periodicity (Henry Spencer)
Eye focusing (Henry Spencer)
Free fall (Henry Spencer)
Galaxies (Henry Spencer)
Gamma ray bursts (David M. Palmer; Paul F. Dietz)
G tolerance (Dani Eder; Henry Spencer; Jordin Kare; James Oberg)
Hard spacesuits (George Herbert)
High-G blackout (Henry Spencer)
Human advantages (Henry Spencer)
Human internal clock (Henry Spencer)
Incoming asteroids (Henry Spencer; Jim Scotti; Jordin Kare; Josh Hopkins; Paul F. Dietz; Steinn Sigurdsson)
Io (Henry Spencer)
Jupiter water (Henry Spencer)
Life chemicals (Henry Spencer)
Lunar concrete (George Herbert)
Magnetosphere (Henry Spencer)
Man in vacuum (Geoffrey A. Landis; Henry Spencer)
Mars colonization (Henry Spencer; James Oberg)
Mars crew (Henry Spencer)
Mars Direct (Henry Spencer)
Mars dust (Henry Spencer)
Mars exploration (Bruce Dunn)
Mars flows (James Oberg)
Fuel-making on Mars (Henry Spencer)
Mars landing (Henry Spencer)
Mars life (Geoffrey A. Landis; George Herbert; Henry Spencer)
Mars meteorites (Henry Spencer)
Mars rovers (Henry Spencer)
Terraforming Mars (Doug Jones; Henry Spencer)
Martial arts (Henry Spencer)
Meteorite antarctica (Henry Spencer)
Meteorites (Frank Crary; Henry Spencer)
Molecular sieves (Henry Spencer)
The Moon's atmosphere (Henry Spencer)
Moon bases (Henry Spencer)
The Moon's brightness (Henry Spencer)
Moondust (Doug Jones; George Herbert; Henry Spencer)
Electrolysis of lunar materials (Henry Spencer; MA Lloyd)
Fuel-making from the Moon (Bruce Dunn; Doug Jones; Henry Spencer)
Lunar ice (Henry Spencer)
Lunar ores (Henry Spencer)
The Moon's origin (Henry Spencer)
Moon photos (Henry Spencer)
Lunar roads (Henry Spencer)
Nemesis (Jordin Kare)
Neutrinos (Paul F. Dietz)
Nukes and the Van Allen belts (Geoffrey A. Landis; Henry Spencer; rk)
Nuclear waste disposal in space (Dani Eder; Henry Spencer; Jordin Kare; Paul F. Dietz)
Oxygen atmosphere (Paul F. Dietz)
"Parsec" (Henry Spencer)
Photosynthesis (Henry Spencer)
Plant efficiency (Paul Dietz)
Quasars (Henry Spencer)
Radiation belts (Bill Higgins)
Regolith (Henry Spencer)
Remote ice detection (Bill Higgins)
Scurvy (Henry Spencer)
Skinsuits (flexible spacesuits) (Doug Jones; Henry Spencer)
Solar flares (Kyle Miller; Frank Crary; George Herbert; Henry Spencer)
Solar system formation (Henry Spencer)
The South Atlantic Anomaly (Henry Spencer)
Spacesickness (Henry Spencer)
Spacesuits and meteoroids (Henry Spencer)
Spacesuits (George Herbert; Henry Spencer)
Spacewalks (Henry Spencer)
Star distance measurements (Dani Eder; Henry Spencer)
Stellar close encounters (Henry Spencer)
The Sun (Paul F. Dietz; Doug Jones; Henry Spencer)
Supercritical (Henry Spencer)
Supercritical water oxidation (Henry Spencer)
Supernova (Henry Spencer)
Surveyor strep (Henry Spencer; James Oberg)
Tenth planet (Rick McGeer)
Terraforming book (Geoffrey A. Landis)
Terraforming (Henry Spencer)
Unmanned (Henry Spencer)
Uranus mission (Dani Eder)
Van Allen belts (Henry Spencer)
Variable stars (Kent Budge)
Venus balloon (Mitchell Burnside Clapp)
Venus suits (Henry Spencer)
Venus (Paul F. Dietz; Henry Spencer)
Women and color sensing (Henry Spencer)
Zero-G fluid load (Henry Spencer)
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