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Who Was the World's First King?
science.howstuffworks.com/environmental/earth/archaeology/first-king.htm
This is not an easy question to answer, thanks to the mists of time. But historians have put forth several possibilities. An ancient tablet claims one king ruled for 28,000 years!
No Milk, No Espresso, All Science: Frothing Up a Dairy-Free Latte
recipes.howstuffworks.com/no-milk-no-espresso-all-science-frothing-a-dairyfree-latte.htm
Using xanthan gum to froth coffee rather than steamed milk is possible. Learn more about this dairy-free "latte" in this HowStuffWorks Now article.
How did Nikola Tesla change the way we use energy?
science.howstuffworks.com/nikola-tesla.htm
Who made it possible to light up your home at night? Thomas Edison, right? Yes, but without the work of Nikola Tesla, we would be living in a different world.
How Jumbo TV Screens Work
electronics.howstuffworks.com/jumbo-tv.htm
The video screens at sporting events and concerts are almost like your TV -- except that they're GIGANTIC! Learn about the technology that makes these 30-foot displays possible.
How Does a Silencer Work?
science.howstuffworks.com/question112.htm
How in the world can a gun silencer work? How can you possibly take an explosive noise that can damage your hearing and turn it into a little "ffft" sound?
How does the Cave of Magic card trick work?
entertainment.howstuffworks.com/question187.htm
Will you please go to The Cave of Magic and tell me how this can possibly work? It has some of my friends convinced that we are being taken over by computers.
A Helium Shortage! What If We Ran Out of Helium?
science.howstuffworks.com/science-vs-myth/what-if/what-if-we-ran-out-helium.htm
A helium shortage threatens more than just the balloon industry. Way more. Here's what at stake should we run out of this gas - which is a real possibility.
Can We Guess Your Education Level?
play.howstuffworks.com/quiz/can-we-guess-your-education-level
While your education level is obviously as much a product of your upbringing and opportunities as your level of intelligence, it's still possible to guess it with just a few questions - or is it?
Why Do Some Cultures Believe the Number Four Is Unlucky?
people.howstuffworks.com/number-4-unlucky.htm
In Beijing, it's not possible to get a vehicle license plate that has the number 4 on it. Some cultures take their numbers phobia very seriously. What's the deal with 4?
How Warp Speed Works
science.howstuffworks.com/warp-speed.htm
Warp speed would enable you to travel faster than the speed of light. Learn about warp speed and whether it's a scientific possibility or just a sci-fi dream.