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Robot Manufacture & Environmental Health
Industries use automation and robotics to promote productivity. Along with robot manufacturing advances come environmental concerns....
Sylvia Rose
Mar 73 min read
40 views


Tardigrades (Water Bears): Extreme Survivors
Tardigrades are micro-animals also called water bears or moss piglets, often found in water drops on moss. Known for resilience, they can...
Sylvia Rose
Mar 74 min read
13 views


How Bacteria Survive a Nuclear Explosion
Bacteria are among the most diverse organisms on Earth. They're found in extreme conditions like high acidity, toxic waste and scorching...
Sylvia Rose
Mar 74 min read
18 views


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...
Sylvia Rose
Mar 64 min read
25 views


Nine Countries with Nuclear Weapons
Nine countries have nuclear arsenals: Russia, the United States, China, France, the United Kingdom, Pakistan, India, Israel and North...
Sylvia Rose
Mar 66 min read
39 views


Super Alloys in Space Exploration
Super alloys have unique combinations of strength, corrosion resistance and high-temperature stability. Made primarily with nickel,...
Sylvia Rose
Mar 53 min read
18 views


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....
Sylvia Rose
Mar 53 min read
23 views


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...
Sylvia Rose
Mar 56 min read
15 views


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...
Sylvia Rose
Mar 55 min read
36 views


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....
Sylvia Rose
Mar 44 min read
9 views


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...
Sylvia Rose
Mar 42 min read
18 views


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....
Sylvia Rose
Mar 42 min read
30 views


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....
Sylvia Rose
Mar 44 min read
21 views


Sweet Root Vegetables: Sugar & Starch
Root vegetables like carrots, beets or tuberous sweet potatoes are energy reservoirs. The plants store their power underground, packed...
Sylvia Rose
Mar 35 min read
18 views


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...
Sylvia Rose
Mar 33 min read
17 views


Solar Panels & Batteries in Space
Particularly solar panels and batteries help provide reliable power for spacecraft and satellites. Without terrestrial resources, space...
Sylvia Rose
Mar 24 min read
18 views


How Solar Panels Work
Solar panels or photovoltaic (PV) panels are designed to convert sunlight directly into electricity. They're composed of multiple smaller...
Sylvia Rose
Mar 14 min read
52 views


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...
Sylvia Rose
Mar 14 min read
21 views


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...
Sylvia Rose
Mar 19 min read
34 views


Metalloproteins: Biochemistry of Nature & Health
Metalloproteins are biomolecules containing metal ions. From transporting oxygen and cell signals to catalyzing chemical reactions,...
Sylvia Rose
Feb 283 min read
14 views
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