Archive // The Lab
The Lab — Tools & Science
You can't find a signal without understanding what you're looking for — or how to tell noise from news.
This section is the engine room of the site. It explains how radio telescopes actually work, what criteria scientists use to separate a genuine candidate from a broken microwave, and why a signal sent at one frequency might arrive at a completely different one after traveling billions of light-years through an expanding universe.
Start anywhere. Every article is written for curious people, not specialists. The science is real. The analogies are thorough. And if you come in understanding none of it, you'll leave understanding most of it.
How Radio Telescopes Work
From dish physics to interferometry: the complete guide to how we collect cosmic radio signals and turn them into data we can understand.
What Would a Real Alien Signal Look Like?
SETI scientists have specific criteria for recognizing a genuine extraterrestrial transmission. Here's how to distinguish signal from noise from wishful thinking.