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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
11 views


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
7 views


Human Microchip Implants: Pros & Cons
Human microchips are often smaller than a rice grain. In Sweden, implants are already in use for convenience. They unlock gym doors,...
Sylvia Rose
Mar 293 min read
14 views


FSO: Wireless Transmission By Light Beam
Free-space optical (FSO) systems use light beams to transmit data. Known for high bandwidth, security and immunity to electromagnetic...
Sylvia Rose
Mar 294 min read
8 views


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
12 views


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
5 views


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
10 views


Genetic Engineering: DNA Region Manipulation
The secrets of life are in the double helix. DNA region manipulation modifies entire segments of DNA including multiple genes and...
Sylvia Rose
Mar 273 min read
3 views


Genetic Engineering: Biotechnology of Change
Genetic engineering, manipulation or modification (GM) makes direct changes to DNA, influencing the characteristics of organisms. It's...
Sylvia Rose
Mar 273 min read
10 views


Slime Mold: Brainless Wonder & Evolutionary Link
Slime molds dwell in dark, damp environments of decaying matter, like forest floors or compost heaps. They morph between fungi and...
Sylvia Rose
Mar 264 min read
11 views


OPEC: Organization of Petroleum Exporting Countries
OPEC emerges from a morass of political upheaval and economic shifts to consistently influence oil production and pricing worldwide. Its...
Sylvia Rose
Mar 234 min read
5 views


Effects of Extreme Heat on the Human Body
Extreme heat is a pressing reality for many parts of the world. Hazardous temperatures bring exhaustion, breathing problems, heatstroke,...
Sylvia Rose
Mar 224 min read
21 views


How Wind Turbines Create Electricity
Wind turbines use renewable energy, the power of the wind. They transform wind force into electricity. The process is built upon...
Sylvia Rose
Mar 213 min read
11 views


MPD: Ionized Gas & Plasma Thrust
Magnetoplasmadynamic (MPD) thrusters use ionized propellants like xenon, argon, and krypton to generate thrust through plasma...
Sylvia Rose
Mar 214 min read
2 views


Magnetic Fields & Space Travel
Magnetism affects the way spaceships and astronauts travel through space. The invisible forces generated by magnetic fields influence...
Sylvia Rose
Mar 214 min read
20 views


Humans in Space: Effects on Body & Mind
Space has a profound effect on the human body. Human bodies, adapted to life on Earth, undergo constant stressors in orbit. Astronauts...
Sylvia Rose
Mar 195 min read
22 views


Transistors: Function of Switches & Amps
A transistor is a semiconductor device. It can operate as either a switch or an amplifier. Made from materials like silicon or...
Sylvia Rose
Mar 193 min read
3 views


How the Cloud Works - Pros & Cons
Cloud computing provides a variety of services through the internet, such as storage, databases, servers, software and analytics. Instead...
Sylvia Rose
Mar 195 min read
8 views


Build a Basic Robot: Method & Materials
Robotics combines design, construction, and operation so machines can perform tasks automatically. Robots are a wide range of creations...
Sylvia Rose
Mar 194 min read
7 views


Transistors: How Billions Fit on a Microchip
Transistors are semiconductor devices, operating like electric switches. Today billions of transistors can fit on a microchip. Hundreds...
Sylvia Rose
Mar 184 min read
11 views
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