
October 23 is Mole Day and we celebrate Avogadro's number. But what is a mole and how do you find it?
The post Even Avogadro Didn’t Know Avogadro’s Number appeared first on WIRED.

Science and reality

October 23 is Mole Day and we celebrate Avogadro's number. But what is a mole and how do you find it?
The post Even Avogadro Didn’t Know Avogadro’s Number appeared first on WIRED.

Everyone wants a hoverboard. Here are three real hoverboards that exist right now.
The post How the Most Promising Hoverboards Actually Work appeared first on WIRED.

This video shows a very massive pressurized vessel being transported by a giant trailer. Why is the trailer so large? Why are there so many trucks?
The post How on Earth Could Trucks Move This 1,000-Ton Load? appeared first on WIRED.

When you write scientific content, one rule is most important: You can't be completely correct, but you can be wrong.
The post Here’s the Most Important Rule in Science Writing appeared first on WIRED.

Would it be better to have a rocket that uses all the fuel at once or to let out a little bit at a time? Here is a closer look at the rocket equation.
The post What’d Make a Better Rocket, Nuclear or Ion Engines? appeared first on WIRED.

This classic xkcd physics problem involves an accelerating velociraptor. Here is a numerical solution to this problem using python.
The post Here’s How to Solve the xkcd Velociraptor Problem With Code appeared first on WIRED.

Everyone likes to talk about the supermoon, but it really isn't that special. Here's why.
The post The Supermoon Isn’t Super. It’s Just the Moon appeared first on WIRED.

In this demo, a block on a stick climbs up the stick when the stick is hit with a hammer. Here's how it works.
The post A Simple Physics Project That’ll Show You How Inertia Works appeared first on WIRED.

Very few science fiction stories have perfect science in them. Although they have some problems, the stories can still be used to explain cool science.
The post The Science in The Martian Isn’t Perfect, But That’s OK appeared first on WIRED.

Apple's iOS 9 features a 'Low Power' mode. How much power does it save, and what does it mean for my battery? I test my iPhone 6 to find out.
The post How Much Longer Does My iPhone Last in Low-Power Mode? appeared first on WIRED.