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Category: Dot Physics

Posted on November 9, 2015

What Computational Physics Is Really About

What Computational Physics Is Really About

Often people will say that there are three ways of doing science: experiment, theory, and computational. These people are wrong. Here's why.

The post What Computational Physics Is Really About appeared first on WIRED.

Posted on November 5, 2015

Nuclear Fission Works Fine, But Not Fusion. Here’s Why

Nuclear Fission Works Fine, But Not Fusion. Here’s Why

We have plenty of nuclear fission reactors, but not a successful fusion reactor. What's the difference?

The post Nuclear Fission Works Fine, But Not Fusion. Here’s Why appeared first on WIRED.

Posted on November 3, 2015

Ballistic Pendulums Are as Awesome as They Sound

Ballistic Pendulums Are as Awesome as They Sound

How does a ballistic pendulum give information about a bullet or ball? Here is a derivation of the classic introductory physics problem.

The post Ballistic Pendulums Are as Awesome as They Sound appeared first on WIRED.

Posted on October 27, 2015

How Fast Are the Tie Fighters in That Star Wars Teaser?

How Fast Are the Tie Fighters in That Star Wars Teaser?

In a teaser trailer for Star Wars VII, we see a whole bunch of Tie fighters flying overhead. How fast are they moving?

The post How Fast Are the Tie Fighters in That Star Wars Teaser? appeared first on WIRED.

Posted on October 23, 2015

Even Avogadro Didn’t Know Avogadro’s Number

Even Avogadro Didn’t Know Avogadro’s Number

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.

Posted on October 20, 2015

How the Most Promising Hoverboards Actually Work

How the Most Promising Hoverboards Actually Work

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.

Posted on October 16, 2015

How on Earth Could Trucks Move This 1,000-Ton Load?

How on Earth Could Trucks Move This 1,000-Ton Load?

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.

Posted on October 13, 2015

Here’s the Most Important Rule in Science Writing

Here’s the Most Important Rule in Science Writing

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.

Posted on October 9, 2015

What’d Make a Better Rocket, Nuclear or Ion Engines?

What’d Make a Better Rocket, Nuclear or Ion Engines?

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.

Posted on October 5, 2015

Here’s How to Solve the xkcd Velociraptor Problem With Code

Here’s How to Solve the xkcd Velociraptor Problem With Code

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.

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