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Brain-Computer Interfaces (BCIs)
Brain-computer interfaces enable direct communication between the brain's electrical activity and external devices like computers and...

Sylvia Rose
Apr 193 min read
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The Human Brain: Electricity & Emotion
Electricity drives the human brain, powering every thought, sensation and emotion. The connection between electrical signals and emotions...

Sylvia Rose
Apr 185 min read
11 views


Static Electricity on Earth & in Space
Static electricity happens due an imbalance of electric charges powered by the movement of electrons. They orbit the nucleus of an atom,...

Sylvia Rose
Apr 174 min read
12 views


Robot Hearing, Interpretation & Response
Robots communicate with humans and understand sounds in seemingly meaningful ways. Microphones and sensors designed to detect sound waves...

Sylvia Rose
Apr 174 min read
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Robot Sensors: Powers of Perception
Robot sensors are powerful versions of human senses, and more. Robots perceive their surroundings, interpret information and interact...

Sylvia Rose
Apr 164 min read
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Microhydro Energy: Sustainable Water Power
Microhydro power is a type of sustainable energy production using water flow. Microhydro systems convert water flow into electricity with...

Sylvia Rose
Apr 143 min read
8 views


Yttrium Aluminum Garnet (YAG): Crystal Tech
Yttrium Aluminum Garnet (YAG, Y3Al5O12), is a synthetic crystal known for brilliance, scientific properties and versatility. From...

Sylvia Rose
Apr 143 min read
6 views


Vehicle Emissions: Environment & Society
Vehicle emissions are the waste material of combustion, including gases and particulate matter (PM). With more than 1.4 billion vehicles...

Sylvia Rose
Apr 114 min read
10 views


Machine Learning (ML) Form & Function
Machine learning teaches computers to learn from data without being programmed. A branch of artificial intelligence, ML enables computers...

Sylvia Rose
Apr 95 min read
11 views


Gardening: Grow Beautiful Morning Glories
Morning glories are easy to grow and fairly low-maintenance. In balcony gardens they need a lot of water and at least a bucket-sized...

Sylvia Rose
Apr 64 min read
10 views


Akitu Festival: Springtime in Mesopotamia
The Akitu festival falls on the first day of the Babylonian and Assyrian month of Nisan near the Spring Equinox (March or April). Akitu...

Sylvia Rose
Apr 34 min read
9 views


City of Ur: Urban Life in Ancient Mesopotamia
Ur is a prominent city-state in ancient Mesopotamia. Founded c. 3800 BCE, Ur is a coastal city on the Persian Gulf. It slowly moves...

Sylvia Rose
Apr 25 min read
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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
16 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
13 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
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Iran: Perilous Power of the Middle East
Iran has a critical and often controversial position on the world stage. In the eastern Middle East, Iran is a primarily Muslim country...

Sylvia Rose
Mar 249 min read
17 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
23 views


Ninshubur: Loyal Goddess Sukkal of Inanna
Ninshubur is the sukkal of Inanna (Ishtar) in ancient Mesopotamia. Divine vizier and problem-fixer, goddess Ninshubur is worshipped in...

Sylvia Rose
Mar 202 min read
11 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
10 views
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