Uploaded December 2014 | Updated September 2026, 2 weeks ago

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Professor Moriarty - using nano lithography - shows off a Christmas Tree created by precisely removing 42 hydrogen atoms atoms from a silicon surface.

More from Prof Moriarty and this technology: youtube.com/playlist?list=PLcUY9vudNKBMluNZrpoiFc-5buqD74JNs

More Christmas videos: bit.ly/XmasBrady

Tiny Periodic Table: youtu.be/cQU2IAsQak8

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