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Sylvia Rose
6 hours ago3 min read
Cryptocurrency: How to Buy & Use Bitcoin
Bitcoin is a digital currency launched in 2009. It can be an investment opportunity or method for online transactions. Bitcoin operates...
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Sylvia Rose
8 hours ago5 min read
Cryptocurrency: Finance in the Space Age
Cryptocurrency is a revolutionary financial technology of the 21st century. As digital or virtual currencies secured by cryptography,...
6 views


Sylvia Rose
1 day ago2 min read
MLI: Gold & Silver Foil on Spacecraft
Multi-layer insulation (MLI) creates the shiny crinkled gold and silver foil look on spacecraft and space equipment. MLI helps protect...
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Sylvia Rose
1 day ago6 min read
Top 5 Countries of the Global Space Race
The global space race begins during the Cold War (1947-1991). Today, competition and collaboration rise among countries seeking universal...
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Sylvia Rose
2 days ago3 min read
Rare Earth Elements (REEs): Science & Environment
Rare earth elements (REEs) are scattered through the Earth's crust. Coveted by many, they're bargaining chips in world politics. REES are...
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Sylvia Rose
2 days ago5 min read
Electric Vehicles (EVs): Creation & Operation
Electric vehicles are alternative transport to conventional gas-powered cars. Here's an overview of how they're made and operated, from...
9 views


Sylvia Rose
3 days ago3 min read
Artificial Intelligence (AI) in Human Warfare
Artificial Intelligence (AI) in military and defense sectors gives an edge in warfare. Countries scramble to remain competitive. AI...
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Sylvia Rose
4 days ago4 min read
AI: Recurrent Neural Networks (RNNs)
Recurrent Neural Networks (RNNs) are foremost in artificial intelligence. RNNs are used in language translation and speech recognition....
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Sylvia Rose
5 days ago5 min read
How to Make an Artificial Intelligence System
Artificial Intelligence (AI) is a world revolution, virtually nonexistent in public use before the 21st century. Knowing how to make an...
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Sylvia Rose
6 days ago5 min read
Ideonella sakaiensis: Plastic-Eating Bacteria
Ideonella sakaiensis is the first bacterium known to consume plastic, specifically polyethylene terephthalate (PET). Over 300 million...
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Sylvia Rose
Mar 64 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
Mar 66 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
Mar 53 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
Mar 54 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
Mar 53 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
Mar 56 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
Mar 42 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....
21 views


Sylvia Rose
Mar 44 min read
Agriculture: Calvin Cycle in Photosynthesis
Photosynthesis enables plants to convert sunlight into energy in the form of glucose molecules to support plants and life on Earth....
21 views


Sylvia Rose
Mar 34 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,...
16 views


Sylvia Rose
Mar 33 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,...
11 views
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