Maurits Ertsen
@mauritsertsen.bsky.social
Interdisciplinary water scholar. And cats...
Director of Studies of the MSc program Environmental Engineering at TU Delft, the Netherlands
Director of Studies of the MSc program Environmental Engineering at TU Delft, the Netherlands
Ah, one of the more important historical processes! I like cats... 😉
November 28, 2025 at 11:27 AM
Ah, one of the more important historical processes! I like cats... 😉
One of the (recent) Dutch members of government? I mean, they might actually be too scary. Medusa is a softie compared to some...
November 28, 2025 at 10:38 AM
One of the (recent) Dutch members of government? I mean, they might actually be too scary. Medusa is a softie compared to some...
Yep, can confirm. Even after 30 years in academia...
November 28, 2025 at 10:32 AM
Yep, can confirm. Even after 30 years in academia...
The logo is the sixth image in my gallery. Plausible, I suppose... Monsters with the consistency of gelatin have been known...
November 27, 2025 at 9:07 PM
The logo is the sixth image in my gallery. Plausible, I suppose... Monsters with the consistency of gelatin have been known...
Even though I am (happily) wearing Rupsje Nooitgenoeg this week, I do notice emotional attachment to my home office sign as well given some of the exchanges I've had so far... 🙄😉
November 27, 2025 at 11:54 AM
Even though I am (happily) wearing Rupsje Nooitgenoeg this week, I do notice emotional attachment to my home office sign as well given some of the exchanges I've had so far... 🙄😉
We did negotiations today in Eng&GlobDev. Check these examples: groups did not necessarily agree on what agreement was reached. Hint: results for a should be similar, for b as well, etcetera. Good fun, and not unimportant for students to discover and learn about.
November 26, 2025 at 5:51 PM
We did negotiations today in Eng&GlobDev. Check these examples: groups did not necessarily agree on what agreement was reached. Hint: results for a should be similar, for b as well, etcetera. Good fun, and not unimportant for students to discover and learn about.
Mollie tries her version of hedgehogging, mainly to convince me to stop writing a draft proposal and to start giving her attention.
November 25, 2025 at 3:32 PM
Mollie tries her version of hedgehogging, mainly to convince me to stop writing a draft proposal and to start giving her attention.
She's been like this for hours now... 😉 It does show how calm my office is today!
November 25, 2025 at 12:40 PM
She's been like this for hours now... 😉 It does show how calm my office is today!
If there really was a God here
He'd have raised a hand by now
He'd have raised a hand by now
November 23, 2025 at 12:00 PM
If there really was a God here
He'd have raised a hand by now
He'd have raised a hand by now
Good morning... 😉
November 22, 2025 at 9:24 AM
Good morning... 😉
The benefit of working from home - next to having some hours to work on things...
November 21, 2025 at 8:19 AM
The benefit of working from home - next to having some hours to work on things...
We did water systems in Eng for Glob Dev today!
November 19, 2025 at 5:54 PM
We did water systems in Eng for Glob Dev today!
Uiteindelijk bleek een van de drie toch correct! 😉
November 18, 2025 at 6:35 PM
Uiteindelijk bleek een van de drie toch correct! 😉
Dit past inderdaad beter bij het moment. 🙄
November 18, 2025 at 6:30 PM
Dit past inderdaad beter bij het moment. 🙄
@nieuws.nos.nl, doorhalen wat niet verlangd wordt? 😉
November 18, 2025 at 6:27 PM
@nieuws.nos.nl, doorhalen wat niet verlangd wordt? 😉
Well, I was rather happy with this one. 😉🙄😃
November 17, 2025 at 3:24 PM
Well, I was rather happy with this one. 😉🙄😃
Trust me, I am really working on a research proposal...
November 17, 2025 at 2:47 PM
Trust me, I am really working on a research proposal...
After a long week in Delft, I am home again!
November 15, 2025 at 4:43 PM
After a long week in Delft, I am home again!
We did the survival exercise again today. Groups scored consistently better (lower) compared to the average scores of group members. Being smart together works! 😉😃
November 12, 2025 at 4:41 PM
We did the survival exercise again today. Groups scored consistently better (lower) compared to the average scores of group members. Being smart together works! 😉😃
Een leuke publicatie over oud, nat spul - also for those who read Dutch. Met een tekstje van mij erin... sorry. 😉
November 11, 2025 at 5:53 PM
Een leuke publicatie over oud, nat spul - also for those who read Dutch. Met een tekstje van mij erin... sorry. 😉