What is a light year?
You've heard of a light year, but do you know we can also measure the distance to our cosmic neighbors in light hours and light seconds? Find out how far these measurements take us around the vastness of space.
More from MIT Pulse
1:25Resonance phenomena
Can a loud noise really shatter glass? This isn't a something portrayed in movies just for dramatic effect, it's science, and we explain how it works.
1:19Replace your standard exams
Are you a teacher looking for a better way to test if your students learned than a standard exam? Hear what MIT Lecturers suggest.
1:09What are lipid nanoparticles?
You might be able to pronounce LIP-id NAN-oh-par-ti-kulz, but do you know what it means? Find out what these tiny fat droplets are and how they are used in medicine.
2:03Using history to make iron
How did the Mossi people of Burkina Faso make iron over 1,000 years ago? By reconstructing their ancient bloomery, MIT researchers are learning what this process can teach us about material production.
1:28The true size of cells
Would it surprise you to learn that cells can have very different sizes? Incredibly, even at the microscopic level, life shows remarkable diversity.
