How the donut changed the world - @

Abbe's diffraction limit was an insurmountable barrier for more than 100 years until Stefan W. Hell came up with the idea of a donut-shaped laser beam.

STED Archives - @

The Donut King – A Memoir About Changing the World – Phat Phoodies

Randy's Donuts: The World-Famous Marketing Stunt is a Giant Sign of Yesteryear - Los Angeles Times

25 tasty facts you didn't know about Krispy Kreme

Doughnut Economics: How Sustainability Got Rebranded as a Pastry, by Erica Eller, Climate Conscious

The History of the Doughnut, History

Labeling for STED microscopy - @

How to measure resolution? Part two! - @

Doughnut Destiny: How Ted Ngoy Was Once Hailed The Donut King of SoCal - Orange Coast Mag

How the donut changed the world - @