The Sticking Power of Electromagnets
Putting the "Electro" in "Electromagnet"
DIY Electromagnets and Experiments to Try
Other Force/Distance Tradeoffs
A Brief History of Frankincense and Myrrh
Action and Reaction: The Space Baseball Scenario
Solid-fuel Rockets: Fuel Mixture
Solid-fuel Rockets: Channel Configuration
Dreams and Improving Sleep Habits
Photovoltaic Cells: Converting Photons to Electrons
How Silicon Makes a Solar Cell
Finishing Your Solar Power Setup
Developments in Solar Cell Technology
What Your Bathtub Can Teach You About Tornadoes
How Nature Conservancy Projects are Paid For
How the North Carolina Chapter Works
Getting Involved in the Nature Conservancy
Electron to Photon: You Don't Excite Me
Overview: How the Lens is Made
The "Nuclear" in "Nuclear Radiation"
Atomic Structure and Radioactivity
Consequences and Health Risks of Nuclear Bombs
Riding a Space Elevator to the Top
The Sun's Interior: Radiative and Convective Zones
The Sun's Features: Sunspots, Solar Prominences and Solar Flares
Positron Emission Tomography (PET)
SPECT, Cardiovascular Imaging and Bone Scanning
Teleportation: Recent Experiments
Types of Punkin Chunkin Machines
Asteroid Extraction and Processing
Understanding the Concept of Gear Ratio
Qualifications for Becoming an Astronaut
Methanol Digestion and Dangers
How the Body Responds to Alcohol
Alcohol and Other Bodily Functions
The History of Human Augmentation
Microwave-propelled Lightcraft
Air Pressure + Gravity = Buoyancy
How You Sense Position and Motion
Fly Like a Bird, Hover Like a Bee
Planet Hunting Techniques and Technology
Kepler's Search for Exoplanets
Planet Hunting Milestones: From Handfuls to Hundreds
Planet Hunting Milestones: Kepler, Corot and the First Thousand
Greetings, Carbon-based Bipeds!
Some Ground Rules for Alien life
Speculation: What Might Aliens Be Like?
The Layout: Main Engine and Generator
The Layout: Power, Fuel and Batteries
The Trucks: Propulsion & Suspension
The Whole (Dew) Point of the Matter
Nature's Effects on Barrier Islands
Fighting Erosion on Barrier Islands
Development's Effects on Barrier Islands
Types of Airports: Small, Regional and Ridiculously Big
Wanted Since the 1950s: Airport Sites
Airport Runways: Entering and Exiting the Friendly Skies
At the Hub of It All: Concourses and Terminals
Loading and Unloading Aircraft
Ground Transportation: Plane Train? Shuttle? Rental Car?
Departure, En Route and Descent
Testing a Crash Survivable Memory Unit
The M14 and M16 Anti-personnel Mines
Flying at Near-Supersonic Speeds
Machine Gun Feeding: Spring and Hopper System
Machine Gun Feeding: Belt System
Early Vampires: Lamastu and Lilith