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Space Weather: Flares, Storms & Cosmic Rays
Space weather includes solar flares, geomagnetic storms and cosmic rays from the Sun. It interacts with the electromagnetic field and...

Sylvia Rose
Apr 173 min read
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NOx: Air Pollution & Tropospheric Ozone
NOx are nitrogen compounds, mainly nitric oxide (NO) and nitrogen dioxide (NO2). These gases create serious environmental problems,...

Sylvia Rose
Apr 112 min read
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Vehicle Emissions: Environment & Society
Vehicle emissions are the waste material of combustion, including gases and particulate matter (PM). With more than 1.4 billion vehicles...

Sylvia Rose
Apr 114 min read
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Ozone Gas (O3) & the Ozone Layer
Ozone manifests as pale blue gas. The ozone layer, a concentrated region in the stratosphere, protects Earth from damage by UV rays....

Sylvia Rose
Apr 103 min read
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Biofuels: Creation & the Dark Side
Biofuels, made from organic materials, promise a renewable alternative to fossil fuels. While the sunny side of biofuel touts its...

Sylvia Rose
Apr 85 min read
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Solar Wind: Supersonic Tempest from the Sun
The solar wind is a continuous stream of charged particles emitted by the sun. This supersonic outflow of protons and electrons permeates...

Sylvia Rose
Apr 74 min read
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Plants in Space: ISS Microgravity Gardening
Experiments on the International Space Station (ISS) achieve success when astronauts cultivate and eat lettuce in space. With...

Sylvia Rose
Apr 64 min read
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Deglobalization in the Modern World
Deglobalization is the diminishing of interdependence and integration of nations and the rise of national self-sufficiency....

Sylvia Rose
Apr 36 min read
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Gravity: Weather, Pollution & Ocean Tides
Gravity influences ocean tides and shapes the weather patterns. It attracts objects toward one another, causing swollen seas, cloud...

Sylvia Rose
Apr 24 min read
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Laser Weapons in Modern Warfare
A laser weapon is a type of directed-energy weapon (DEW) using lasers to inflict damage. Unlike traditional projectile weapons, which...

Sylvia Rose
Apr 12 min read
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Space Aerosols: Weather, Health, Ecology
Space aerosols are natural particles active in the atmosphere of Earth. They affect weather patterns, health and ecological balance. Some...

Sylvia Rose
Mar 313 min read
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How Spacecraft Avoid Burning Up on Reentry
Spacecraft re-entering Earth's atmosphere must navigate intense heat and friction. Primary defenses against burning up include heat...

Sylvia Rose
Mar 313 min read
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Spacecraft Graveyard of the South Pacific
The Spacecraft graveyard or cemetery in the South Pacific is a disposal site for spacecraft at the end of their lives. Mir space station...

Sylvia Rose
Mar 303 min read
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Earth's Atmosphere: Layers of Dynamic Design
Earth's atmosphere is made of layers, each with certain characteristics and functions. From weather at ground level to the expanse of...

Sylvia Rose
Mar 305 min read
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Lasercom: Laser Communication in Space
Laser communication uses light to send data. It's faster and more efficient than radio waves. The amount of information transmitted is...

Sylvia Rose
Mar 304 min read
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Earth Communication: Satellites, Spacecraft & Astronauts
Satellites, spacecraft and astronauts must communicate with Earth. It's necessary for mission success, data transfer and astronaut...

Sylvia Rose
Mar 296 min read
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Satellite Radio Waves: Type & Function
Radio waves are part of the electromagnetic spectrum, created when electric charges move. Waves travel through space at the speed of...

Sylvia Rose
Mar 284 min read
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Wildfires & Climate Change: Lethal Cycle
Wildfires rage through forest, savannah and even urban regions. Frequency and intensity of wildfires increase dramatically as they're fed...

Sylvia Rose
Mar 284 min read
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Yemeni Civil War: Internal & International Conflict
The Yemeni civil war is a freedom fight and humanitarian disaster. Millions suffer starvation and human rights violations due to...

Sylvia Rose
Mar 277 min read
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Weapons of Mass Destruction: United States
There are three main types of WMDs: nuclear, chemical, and biological weapons. For decades in modern history the United States develops...

Sylvia Rose
Mar 255 min read
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