This week on the channel +792K views this week

Branch Education scales a chipmaking mirror to the size of Earth

Its animated explainer makes atomic-scale precision visible with a planet-sized surface and bumps no taller than a few coins.

Channel:

Branch Education Story of October 28, 2026Trari Newsroom

Why this story? The channel's weekly summary: what went up this week, what is drawing views now, and where the channel stands among similar channels.

The Flattest Surface in the World

Enlarge this mirror to the size of Earth, and its tallest bump would rise only as high as a few coins. That is the comparison Branch Education uses to make an almost impossibly smooth surface something you can picture.

"The Flattest Surface in the World" takes viewers inside an extreme ultraviolet lithography machine, where mirrors focus light onto a silicon wafer to help manufacture microchips. Distortion matters at this scale: the animation describes a mirror whose surface deviates by less than 0.2 nanometers. The planet-and-coins comparison gives that tiny measurement some welcome perspective.

Branch Education posted nothing new this week, but its catalog brought in roughly 790,000 views. This mirror Short is attracting the most daily views among its currently active videos, followed by "How GPUs Are Printed With Light," another look inside the chipmaking process. The longer "How do microSD Cards Store 2 TB in such a TINY space?" extends the microscopic tour into stacked dies and layers of flash memory.

The subscriber count was unchanged over the week, while daily views are modestly above the channel's usual pace. Nearby science channels have different rhythms: CrunchLabs added subscribers during a substantial viewing week, while Captain Disillusion had a quieter week for views. For Branch Education, the useful thread is unusually specific: machines that print tiny circuits, mirrors that cannot afford a bump, and storage packed into something small enough to misplace.

Published on Trari