Mario Botta, citoyen du monde

On the latest issue (November 7th, 2017) of Le Temps, you can look at my portrait of the famous swiss architect Mario Botta.

Le Temps Page 6 November 7, 2017

“Mario Botta, citoyen du monde” in Le Temps (PDF)

More pictures on www.didierruef.com

Bubble physics explains beer’s

On the web site of New Scientist from November 26, 2014, a picture about beer’s physics mystery.

Oktoberfest – Bier fair. Cheers! Winterthur, Canton Zürich. Switzerland – 2006