Maurits Ertsen
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mauritsertsen.bsky.social
Maurits Ertsen
@mauritsertsen.bsky.social
Interdisciplinary water scholar. And cats...

Director of Studies of the MSc program Environmental Engineering at TU Delft, the Netherlands
Happy Ginnie!
November 8, 2025 at 10:33 PM
Outside the weather is great, but it is exam time again...
November 7, 2025 at 1:10 PM
Waiting for transport after a very enjoyable TU Delft Education Day. 😉😃
November 6, 2025 at 5:41 PM
Time to start with a new thought-collecting-storage-device! Let's hope ideas will keep coming 😉😃. Ah well... 🙄🙄🙄
November 5, 2025 at 11:44 AM
Ginnie claims her attention. Not just laptime, she needs me to focus... 😉
November 4, 2025 at 6:01 PM
Watching a movie with a Ginnie, and my favorite person in the world. Could be worse.
November 3, 2025 at 9:17 PM
My world today.
November 2, 2025 at 12:44 PM
Mollie agreed that I had to read something.
October 31, 2025 at 4:20 PM
Home! With sound... 😉😃
October 30, 2025 at 8:38 PM
Voted, and now on my way to my first conference on education in many years.
October 29, 2025 at 6:37 AM
(Winter) Hat time today.
October 27, 2025 at 6:41 AM
Sunday afternoon...
October 26, 2025 at 1:04 PM
Gold anyone?
October 25, 2025 at 8:48 AM
From our Dahlem correspondent: Mollie seems to miss me...
October 24, 2025 at 6:38 PM
How happy can a Mollie be? Well, very... 😉
October 21, 2025 at 6:20 PM
Happy co-worker today.
October 21, 2025 at 10:08 AM
Pretty...
October 20, 2025 at 4:04 PM
Hallo Paderborn!
October 19, 2025 at 10:44 AM
October 18, 2025 at 11:13 AM
Hello Muenster!
October 18, 2025 at 11:09 AM
We have arrived in Muenster for a weekend trip. 😉 Private stairs to our room!
October 17, 2025 at 3:46 PM
Interesting messages on the display this morning. Silent test... Indeed no sound, but hardly silent either... 🙄🙄
October 16, 2025 at 11:19 AM
Time to play the Irrigation Management Game! With some supporting sugar.

In case you are interested how this game can support you water classes, feel very invited to approach me. 😉😃
October 15, 2025 at 6:33 AM
The sleep of the innocent... 😉
October 13, 2025 at 9:07 PM
My world today.
October 12, 2025 at 2:25 PM