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What Is the Mohorovicic Discontinuity and Can Humans Ever Reach It?
science.howstuffworks.com/environmental/earth/geophysics/mohorovicic-discontinuity.htm
This seismic boundary lies within Earth between the bottom of crust and the uppermost mantle. But nobody has ever dug down deep enough to confirm it exists. So does it?
Why Does Earth Spin?
science.howstuffworks.com/why-does-earth-spin.htm
Every 24 hours, Earth makes a full rotation on its axis. But why does Earth spin in the first place?
The Evolution of the Franklin Stove: From Invention to Modern Efficiency
science.howstuffworks.com/innovation/inventions/franklin-stove.htm
he Revolutionary Heating Invention That Changed America - Franklin Stove. Learn about the history, design, and benefits of this iconic stove.
14 Types of Ear Piercings and What They Look Like
lifestyle.howstuffworks.com/style/accessories/types-of-ear-piercings.htm
Whether you're thinking about getting your first stud or planning an elaborate constellation of hoops and rings, exploring the types of ear piercings can be a fun and expressive journey.
How Front-mount Receivers Work
auto.howstuffworks.com/auto-parts/towing/equipment/hitches/front-mount-receivers.htm
Front mount receivers can be very helpful when towing. Learn all about front mount receivers at HowStuffWorks.
Box Jellyfish: World's Most Venomous Sea Creature
animals.howstuffworks.com/marine-life/box-jellyfish.htm
Most jellyfish are more bothersome than threatening, but the box jellyfish is so poisonous you might not make it out of the water alive.
How Water Blasters Work
entertainment.howstuffworks.com/water-blaster.htm
A Double-barrel water blasters can soak someone standing 50 feet away. This isn't an ordinary water gun. Take a look inside these high-powered toys.
How Elevators Work
science.howstuffworks.com/transport/engines-equipment/elevator.htm
In action movies, elevators regularly plummet to the basement, landing in a spectacular ball of fire. Is this possible? There are some sophisticated engineering techniques at work behind every elevator ride you take.
How Firewalls Work
computer.howstuffworks.com/firewall.htm
Firewalls have helped protect computers in large companies for years. Now, they're a critical component of home networks, as well. See how firewalls work.
How Stars Work
science.howstuffworks.com/star.htm
When you look up at night and see thousands of stars, have you ever wondered what you are looking at? Learn what stars are and how they live and die!