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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 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....
19 views


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 55 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...
23 views


Sylvia Rose
Mar 44 min read
Citric Acid: Nature, Health & Science
Citric acid is found naturally in citrus fruits and generated by all living cells. It's used in cuisine, medicine, science and industry....
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Sylvia Rose
Mar 42 min read
How to Grow Carrots
Carrots are root vegetables with bright pigments and sweet flavors. Their roots are storage vessels for starch and sugar and peek from...
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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....
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Sylvia Rose
Mar 35 min read
Sweet Root Vegetables: Sugar & Starch
Root vegetables like carrots, beets or tuberous sweet potatoes are energy reservoirs. The plants store their power underground, packed...
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Sylvia Rose
Mar 33 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
Mar 24 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
Mar 14 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...
30 views


Sylvia Rose
Mar 14 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
Mar 19 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...
25 views


Sylvia Rose
Feb 283 min read
Metalloproteins: Biochemistry of Nature & Health
Metalloproteins are biomolecules containing metal ions. From transporting oxygen and cell signals to catalyzing chemical reactions,...
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Sylvia Rose
Feb 283 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
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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Sylvia Rose
Feb 274 min read
Vermicompost: Composting with Worms
Vermicomposting turns organic waste into nutrient rich compost using the natural inclinations of worms like nightcrawlers and red...
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Sylvia Rose
Feb 273 min read
Sustainable Gardening: Compost & Old Beer
Compost for the garden can benefit from the hidden nutrition of old or flat beer. Leftover brew contains vitamins and minerals to nourish...
10 views


Sylvia Rose
Feb 273 min read
Building Robots: Elastomers, Metals & Plastics
Building robots is a mix of engineering, technology, and creativity. Metals and plastics are the standout choices for roboticists....
25 views
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