Using audio to detect drones

Defining units of measurement

Do you know how long 1 second is? What about 1 meter or 1 kilogram? Don't worry, the International System of Units has you covered with the precise definitions we'll explain.

How much is $1000 really worth?

Ethical philosophers ask us: what do we owe one another? By engaging in thought experiments that may seem outrageous at first we can clarify our own moral reasoning. Join us in considering what has morally significant value and how that can inform our behavior.

Science or art? These images are both

Are these scientific images works of art or is this art teaching us science? Discover 3 stunning examples of when art and science collide.

Solving math problems without calculus

Just like you, ancient engineers had algebra homework. Watch a step-by-step method they used to solve impossible problems still works 2,000 years later.

Sports stats

If you ever participated in a fantasy sport league, you probably looked at player stats. Statistics in professional sports can predict the likelihood of scoring a 3 point shot and give feedback to players to improve their game. Watch to learn about time-series predictions and why statistics is a fan favorite.