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What Are Imaginary Numbers?
science.howstuffworks.com/math-concepts/imaginary-numbers.htm
An imaginary number is a value that's the square root of a negative number. It can't exist on a one-dimensional number line. We'll explain.
How will landing on Mars work?
science.howstuffworks.com/landing-on-mars.htm
Landing on Mars will be one of the most dangerous and rewarding space missions. Learn how landing on Mars will further our understanding of space.
Are Pentagon-confirmed UFOs a National Security Threat?
science.howstuffworks.com/space/aliens-ufos/ufos-news.htm
Recently, there's been a spike in UFO sightings - officially UAP, or Unidentified Aerial Phenomena - all over the world and nobody seems to know why or what the objects we're seeing might be.
What Really Happened to Yuri Gagarin, the First Man in Space?
science.howstuffworks.com/yuri-gagarin.htm
He stood just 5 feet, 2 inches. But Gagarin cast an enormously long shadow in space exploration, both for his achievements and his mysterious death.
Can we control the weather?
science.howstuffworks.com/nature/control-weather.htm
To control the weather we would have to come up with some technology straight out of science fiction. Find out if we can control the weather.
Maillardet's Automaton Is a Marvel of 19th-century Robotics
science.howstuffworks.com/maillardets-automaton.htm
Maillardet's Automaton, built around 1800, can write poems and draw pictures and was a precursor to today's sophisticated robots.
How Do Spacecraft Re-enter the Earth's Atmosphere?
science.howstuffworks.com/spacecraft-reentry.htm
Spacecraft reentry into the Earth is a tricky process. Find out how spacecraft re-entry works and why spacecraft are likely to burn up upon re-entry.
Where does your unclaimed luggage end up?
science.howstuffworks.com/transport/flight/modern/lost-luggage.htm
Unclaimed luggage usually ends up at the Unclaimed Baggage Center in Scottsboro, Alabama, where it is then sold. Learn more about unclaimed luggage.
Is Space Tourism Worth It?
science.howstuffworks.com/is-space-tourism-worth-it-news.htm
Today, Blue Origin flew its billionaire founder Jeff Bezos and three others into space, a week after Virgin Galactic flew its billionaire founder Richard Branson on the same mission. Will space tourism be more than a millionaire's hobby?
What Caused the Mysterious Carolina Bays?
science.howstuffworks.com/environmental/earth/geophysics/carolina-bays.htm
Some say UFOs, while others say a meteor strike formed the Carolina Bays. Whatever created these isolated ponds and wetlands across North and South Carolina left a wondrous ecosystem that is in dire need of protection.