
Topic: Tech & Engineering
Hero Feature

Decoding da Vinci
Discover the science behind Leonardo da Vinci's masterpieces—and Mona Lisa's iconic smile.
Featured Content: Tech & Engineering
Explore Topic: Tech & Engineering

The Public Key Method to Encrypt Communications | Crypto Decoded
Learn about the development of a secure way to send messages over the Internet, and consider its value, with this video excerpt from NOVA: Crypto Decoded.

What Is Bitcoin? | Crypto Decoded
Learn about Bitcoin and consider how much energy is required to mine it with these video excerpts from NOVA: Crypto Decoded.

How Could Technology Help Predict and Prevent Crime? | Computer v. Crime
Learn how people are trying to use artificial intelligence in different ways to predict and prevent crime with these video excerpts from NOVA: Computers v. Crime.

How Predictive Algorithms Can Contain Bias | Computers v. Crime
Learn how training computer algorithms on historical data can create bias with these video excerpts from NOVA: Computers v. Crime.

Why Induction Stoves Are Better for You and the Environment
Induction stovetops are an energy-efficient alternative to traditional gas stoves.

How Heat Pumps Can Help Cities Lower Carbon Emissions
Landlords are switching from gas furnaces to heat pumps to reduce their carbon footprint.

Why cities are so hot (and how we can fix it)
Even the Romans noticed that cities are engineered to be heat islands. But that means we can do something about it.