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How Holograms Work

science.howstuffworks.com/hologram.htm

If you want to see a hologram, you don't have to look much farther than your wallet. But the most impressive holograms are large scale and illuminated with lasers or displayed in a darkened room with carefully directed lighting. Learn how a hologram, light and your brain work together make clear, 3-D images.

How Helicopters Work

science.howstuffworks.com/transport/flight/modern/helicopter.htm

Believe it or not, the marvel we know as the helicopter began as a Chinese top consisting of a shaft - a stick - adorned with feathers on one end.

Who Wins (and Loses) If U.S. Imposes Steel Tariffs?

money.howstuffworks.com/who-wins-and-loses-if-us-imposes-steel-tariffs.htm

HowStuffWorks looks at President Donald Trump's proposal for tariffs on steel and aluminum and explores whether these could spark a global trade war.

How Juneteenth Became Black Independence Day

history.howstuffworks.com/american-history/juneteeth.htm

Though it's been around for more than 150 years, Juneteenth was still a mystery to many. But now, it's the newest federal holiday in the U.S.A.

10 Most Popular Desserts in the United States

recipes.howstuffworks.com/food-facts/5-most-popular-desserts-in-america.htm

If your sweet tooth is aching, what do you reach for? Ice cream, cheesecake? Chances are that sugar fix is one of the most popular desserts in the country.

Can a Restrictive Covenant Be Removed From a Property?

home.howstuffworks.com/real-estate/buying-home/is-there-way-out-of-restrictive-covenant.htm

Restrictive covenants help enforce standards and uniformity in neighborhoods. But they can also ban you from building fences, adding a pool and even cutting down trees. So how can you get out a restrictive covenant?

William Walker: The American Mercenary Who Named Himself President of Nicaragua

history.howstuffworks.com/historical-figures/william-walker.htm

Before being executed in 1860 for his misadventures, William Walker, known as a 'filibuster,' raised a private army and briefly installed himself as the president of Nicaragua.

22 Astronomical Events to Look Out for in 2023

science.howstuffworks.com/astronomical-events-2023.htm

Head's up, stargazers! Mark your calendars for the 22 must-see events this year.

How Twins Work

science.howstuffworks.com/life/genetic/twin.htm

Twins are unique people who are also eerily similar to each other. Do twins really have ESP? Learn how twinning happens and what types of twins are out there.

12 Far-out Charismatic Leaders (and the Trouble They Caused)

people.howstuffworks.com/10-charismatic-leaders.htm

Throughout history, charismatic leaders have emerged and changed the world - for better and for worse.

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