: Air resistance models use fanlike air-fins on the flywheel to provide the flywheel braking needed to generate resistance.

Air resistance rowing machines are most often used by sport rowers ( particularly during the off season and inclement weather ) and competitive indoor rowers.

Air will immediately rush in to fill a void, and moreover, without resistance, it would do so indefinitely fast.

Air resistance damps the oscillation, so some Foucault pendulums in museums incorporate an electromagnetic or other drive to keep the bob swinging ; others are restarted regularly, sometimes with a launching ceremony as an added attraction.

Air cars may use low rolling resistance tires, which typically offer less grip than normal tires.

A theory suggested by a spokesman for the Royal Air Force Museum London in 1977 was that Chad was probably an adaptation of the Greek letter Omega, used as the symbol for electrical resistance ; his creator was probably an electrician in a ground crew.

The Spanish Navy and Spanish Air Force provided support, the six Moroccan navy cadets did not offer any resistance and were captured and evicted from the island, which has since been evacuated by both countries.

* Air resistance

There was considerable resistance to such a post with none of the vested air force interests-including Arthur Tedder, Arthur Harris at Bomber Command, and Carl Spaatz of the US Army Air Force-appearing interested in ceding any authority or autonomy.

When the forces of Italy invaded Ethiopia in 1935, aircraft of the Royal Italian Air Force ( Regia Aeronautica Italiana ) scattered fliers asking the population to rebel against Haile Selassie and support the " true Emperor Iyasu V ." It was feared that the Italians would make use of Iyasu to fragment Ethiopian resistance to their conquest.

The Balkan Air Force was a late-World War II Allied air formation under the Mediterranean Allied Air Forces that operated mainly in Yugoslavia, supporting the Partisans against Germany, but also to the Greek and Albanian resistance.

* February 4 – The Casablanca directive directs the Royal Air Force and the United States Army Air Forces to accomplish the " progressive destruction and dislocation of the German military, industrial, and economic system and the undermining of the morale of the German people to a point where their capacity for armed resistance is fatally weakened.

* April 17 – Eighteen surviving Yugoslav Air Force aircraft flee Yugoslavia, bringing Yugoslav aerial resistance to the German invasion to an end.

Air braking involves standing upright on your board as tall as possible with arms outstretched to catch as much wind resistance as possible.

He was still Chief of the Air Staff at the outbreak of the Second World War on 1 September 1939 ; his main contribution to the war effort was his successful resistance to the transfer of fighter squadrons to aid the collapsing French thus preserving a large portion of the fighter forces that would become crucial during the Battle of Britain.

Major Mike Martin of the Special Air Service is seconded to SIS to work with the Kuwaiti resistance.

The efficiency of Polarized-Media Electronic Air Cleaners increases as they load, providing high efficiency filtration with air resistance typically equal to or less than passive filters.

When Norwegian resistance leader Lieutenant Erik Bergman travels to England to report the location of a German V-2 rocket fuel plant, the Royal Air Force's No 633 Squadron is assigned to destroy it.

Denton, along with James Stockdale ( another Navy officer who became the vice-presidential running mate of H. Ross Perot during his 1992 presidential campaign ), Larry Guarino ( an Air Force Major ) and James Robinson Risner ( an Air Force colonel ), distinguished themselves as members of the American POW resistance from 1965-1973, and helped their men accomplish their sworn goal to " return with honor " – a POW battle cry that later was used as the title of a documentary film narrated and produced by Tom Hanks.

The seven representatives ( two from the Army, three from the Air Force and two from the Navy ) overwhelmed the judges with their resistance and their sharp shooting skills.

This book came to the attention of Robert Boyle who, stimulated by it, embarked on his own experiments on air pressure and the vacuum, and in 1660 published New Experiments Physico-Mechanical touching the Spring of Air and its Effects.

* An Experiment on a Bird in the Air Pump, a painting of a demonstration of one of Boyle's experiments

Early experiments using rockets to boost gliders into the air were conducted in Germany in the 1920s ( Lippisch Ente ), and later both the Royal Air Force and the Luftwaffe introduced such systems in World War II.

STS-4's cargo consisted of the first Getaway Special payloads, including nine scientific experiments provided by students from Utah State University, and a classified US Air Force payload of two missile launch-detection systems.

HALO techniques date back to 1960 when the U. S. Air Force was conducting experiments that followed earlier work by Colonel John Stapp in the late 1940s through early 1950s on survivability factors for high-flying pilots needing to eject at high altitudes.

The origins of the HALO technique date back to 1960 when the U. S. Air Force was conducting experiments that followed earlier work by Colonel John Stapp in the late 1940s through early 1950s on survivability factors for high-flying pilots needing to eject at high altitudes.

Other payloads and experiments: Shuttle Solar Backscatter Ultraviolet ( SSBUV ) experiment ; INTELSAT Solar Array Coupon ( ISAC ); Chromosome and Plant Cell Division Experiment ( CHROMEX ); Voice Command System ( VCS ); Solid Surface Combustion Experiment ( SSCE ), Investigations into Polymer Membrane Processing ( IPMP ); Physiological Systems Experiment ( PSE ); Radiation Monitoring Experiment III ( RME III ); Shuttle Student involvement Program ( SSIP ) and Air Force Maui Optical Site ( AMOS ) experiment.

Unclassified payload included Air Force Program-675 ( AFP675 ); Infrared Background Signature Survey ( IBSS ) with Critical Ionization Velocity ( CIV ), Chemical Release Observation ( CRO ) and Shuttle Pallet Satellite-II ( SPAS-II ) experiments ; and Space Test Payload-1 ( STP-1 ).

Other experiments included Auroral Photography Experiment ( APE-B ) Protein Crystal Growth Ill ( PCG Ill ); Bioserve / Instrumentation Technology Associates Materials Dispersion Apparatus ( BIMDA ); Investigations Into Polymer Membrane Processing ( IPMP ); Space Acceleration Measurement System ( SAMS ); Solid Surface Combustion Experiment ( SSCE ); Ultraviolet Plume imager ( UVPI ); and the Air Force Maui Optical Site ( AMOS ) experiment.

Other " payloads of opportunity " experiments conducted included: Commercial Protein Crystal Growth ( CPCG ), Ultraviolet Plume Imager ( UVPI ) and the Air Force Maui Optical Station ( AMOS ) investigation.

Middeck experiments were: Israeli Space Agency Investigation About Hornets ( ISAIAH ), Solid Surface Combustion Experiment ( SSCE ), Shuttle Amateur Radio Experiment ( SAREX II ), Air Force Maui Optical Site ( AMOS ), and Ultraviolet Plume Imager ( UVPI ).

During the mission, the crew deployed satellites for Canada ( ANIK C-2 ) and Indonesia ( PALAPA B-1 ); operated the Canadian-built Remote Manipulator System ( RMS ) to perform the first deployment and retrieval exercise with the Shuttle Pallet Satellite ( SPAS-01 ); conducted the first formation flying of the Orbiter with a free-flying satellite ( SPAS-01 ); carried and operated the first U. S ./ German cooperative materials science payload ( OSTA-2 ): and operated the Continuous Flow Electrophoresis System ( CFES ) and the Monodisperse Latex Reactor ( MLR ) experiments, in addition to activating seven Getaway Specials, Mission duration was 147 hours before landing at Edwards Air Force Base, California, on June 24, 1983.

Middeck experiments included: Biological Research in Canister ( BRIC ) experiment to investigate effects of spaceflight on plant specimens ; Military Application of Ship Tracks ( MAST ) to take high-resolution imagery of ship tracks and to analyze wake formation and dissipations ; Solid Surface Combustion Experiment ( SSCE ) to supply information on flame propagation over fuels in space ; Radiation Monitoring Equipment III ( RME III ) to measure ionizing radiation ; Shuttle Amateur Radio Experiment II ( SAREX II ) to demonstrate feasibility of short-wave radio contacts between orbiter and ground-based amateur radio operators ; and Air Force Maui Optical Station ( AMOS ) test, which required no onboard hardware.

" The Air Force further clarified that the paper " does not reflect current military policy, practice, or capability ," and that it is " not conducting any weather modification experiments or programs and has no plans to do so in the future.

* Royal Air Force Bomber Command raids Rostock four times to continue experiments with a first wave of bombers setting a city center on fire to guide later waves to the target.

During a series of key experiments of ballistic missiles in the 1950s at Cape Canaveral, Florida, at which Ramo and Air Force General Bernard Schriever were observers, test rockets kept blowing up on their launch pads.

These experiments were conducted at the now closed North Truro Air Force Station.

The United States Air Force, Luftwaffe, and the Soviet Air Force all conducted experiments in zero-length launching.

Colonel David R. Jones of the Air Force Weapons Laboratory learned of Mims's experiments on a trip to Vietnam and arranged for Mims to be assigned to the Laboratory in Albuquerque, New Mexico.

A follow-on experiment to the High Resolution Fly's Eye and Akeno Giant Air Shower Array ( AGASA ) experiments is the Telescope Array Project which began data collection in central Utah in 2007.

* Operation Aphrodite, a series of drone experiments by the U. S. Army Air Forces during World War II

He was personally responsible for 15 successful experiments launched on NASA and U. S. Air Force missions, and was the author or co-author of more than 60 scientific and engineering publications.

Joseph Priestley was an attendee of Higgins's lectures, but the two became enemies following a dispute over experiments on air ( Priestley at the time was working on his six-volume tome Experiments and Observations on Different Kinds of Air ).