New on Brilliant

DIFFERENTIAL EQUATIONS REVAMP

The Differential Equations course has been entirely revamped! Discover the wide-reaching applications of differential equations (like skydiving and drag racing!) through five brand-new interactive chapters.

CS ESSENTIALS: COMING SOON!

Explore the big ideas in computer science and learn how they influence the world, whether you’re brand-new to CS or looking to deepen your understanding.

April Highlights

STAFF PICK: DAILY CHALLENGES

Sculptures A and B are both made out of the same seven cubes: three large 2x2x2 cubes and four small 1x1x1 cubes.

Which sculpture has the greater surface area? Check your answer here .

OUR FAVORITE VIDEO

How fast is quicksort, really? We partnered with The Coding Train to implement and visualize this computer science algorithm in action.

From the team

A typical engine uses combustion to generate power. But did you know it's possible to create an engine driven by ice?

A Stirling engine only needs some source of thermal energy, and a cold sink to dump excess heat.

The Brilliant science team made the simple engine above to illustrate this concept. Check it out in this daily challenge !

Follow Brilliant's Daily Challenges

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