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Sylvia Rose
6 hours ago4 min read
Plutonium (Pu): Nuclear Weapons & Space
Plutonium (Pu) is a synthetic chemical element known for its potent uses and dangers. A heavy, silvery white metal, it tarnishes to a...
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Sylvia Rose
9 hours ago6 min read
Nine Countries with Nuclear Weapons
Nine countries have nuclear arsenals: Russia, the United States, China, France, the United Kingdom, Pakistan, India, Israel, and North...
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Sylvia Rose
1 day ago3 min read
Super Alloys in Space Exploration
Super alloys have unique combinations of strength, corrosion resistance and high-temperature stability. Made primarily with nickel,...
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Sylvia Rose
1 day ago4 min read
Solar Energy & Nuclear Power in Space
Solar energy and nuclear power are the two major forms of energy in space. Solar panels are familiar on satellites and spacecraft....
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Sylvia Rose
1 day ago3 min read
Survival of Bacteria in the Extremes of Space
Bacteria are highly adaptable and many survive in extreme conditions, like high acidity. Some can function in anaerobic habitats....
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Sylvia Rose
1 day ago6 min read
De-Orbiting Satellites: Problems & Processes
De-orbiting is the controlled descent and re-entry of satellites into Earth’s atmosphere. Methods include propulsion systems and solar...
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Sylvia Rose
2 days ago5 min read
Space Debris: Coping with Dangerous Junk
Space debris is human made. It includes discarded rocket stages, defunct satellites and tiny fragments created by collisions and...
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Sylvia Rose
2 days ago2 min read
How Spacecraft Produce Water for Astronauts
Astronauts on long-duration missions rely on water (H2O) for drinking, hygiene, food preparation, and oxygen generation by electrolysis....
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Sylvia Rose
3 days ago4 min read
What Robots Need to Function & Survive
Robots are automations in all shapes and sizes, yet they need key factors to function and survive. These include power or energy,...
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Sylvia Rose
4 days ago3 min read
How Astronauts Breathe in Space
Oxygen makes up 21% of the atmosphere. In the vacuum of space there is no atmosphere. Oxygen is created by electrolysis of water, solid...
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Sylvia Rose
4 days ago3 min read
Lithium Ion Batteries on Earth & in Space
Lithium-ion (Li-ion) batteries power phones, laptops, electric vehicles, satellites and spacecraft. Rechargeable energy storage devices,...
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Sylvia Rose
4 days ago6 min read
Myanmar (Burma): Beauty & Brutality
Myanmar (Burma), has a rich cultural heritage but violent history of conflict, military rule and civil unrest. Brutal changes and warfare...
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Sylvia Rose
5 days ago4 min read
Solar Panels & Batteries in Space
Particularly solar panels and batteries help provide reliable power for spacecraft and satellites. Without terrestrial resources, space...
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Sylvia Rose
5 days ago4 min read
How Solar Panels Work
Solar panels or photovoltaic (PV) panels are designed to convert sunlight directly into electricity. They're composed of multiple smaller...
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Sylvia Rose
5 days ago4 min read
Lithium (Li): Science, Health & Uses
Lithium (Li) is a soft, silvery-white metal. Famous for rechargeable batteries, lithium is important to sectors like health and...
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Sylvia Rose
5 days ago9 min read
Russo-Ukrainian War: Motives, Propaganda & Technology
The Russo-Ukrainian War begins in 2014. Conflict goes back much further. The war has profound political, social, and economic...
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Sylvia Rose
6 days ago3 min read
Transition Metals in Science and Health
Transition metals are integral to nature, science, health and technology. Common transition metals include iron (Fe), copper (Cu), nickel...
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Sylvia Rose
6 days ago5 min read
Zinc (Zn): Technology, Nature & Health
Zinc (Zn) is a transition metal integral to health, environment and technology. It's forged in the crucible of stars through nuclear...
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Sylvia Rose
7 days ago5 min read
CubeSats: Science, Technology & Risky Business
CubeSats are miniature satellites with cutting edge technology and aerospace innovation. They are small units measuring 10x10x10 cm and...
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Sylvia Rose
Feb 274 min read
Drone Warfare: Unmanned Combat Vehicles
Drone warfare uses advanced robotics technology to inflict destruction in various ways. It represents a paradigm shift in military...
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