Jan Hemelaer
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janhemelaer.bsky.social
Jan Hemelaer
@janhemelaer.bsky.social
320 followers 890 following 110 posts
Father; head of division at the Flemish government; economist; fan of history, books and coffee; Lego, model building & 3D printing; old educational children's books <1980; Opinions are my own.
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janhemelaer.bsky.social
De AI van Google, altijd paraat om te helpen...
Franstalige mail. AI van Google biedt aan om te vertalen van Engels naar Nederlands.
September 12, 2025 at 11:51 AM
janhemelaer.bsky.social
Wat is de kostprijs van je verplaatsing? En wie betaalt er voor?

Interessante inzichten over de integrale kostprijsberekening van onze verplaatsingen via verschillende vervoersmodi. Data uit een Canadese tool: de "Cost of Commute Calculator".
July 30, 2025 at 10:25 AM
janhemelaer.bsky.social
July 26, 2025 at 5:47 PM
janhemelaer.bsky.social
Verkeer is verantwoordelijk voor 25% van de CO2 emissies. Als je iets wil doen voor het klimaat dan zijn er niet veel opties: minder verkeer of minder emissies door het verkeer. Dat tweede kan bv. door het verlagen van de maximum snelheid of meer elektrisch rijden. Het eerste door rekeningrijden.
May 28, 2025 at 1:14 PM
janhemelaer.bsky.social
What a surprise...
April 30, 2025 at 2:34 PM
janhemelaer.bsky.social
"Der Preis des Prinzips ist immer geringer als die Kosten der Kapitulation. Das ist der Preis der Freiheit."

Panzergeneral Freuding over de oorlog in Oekraïne. Maar het zou een levensmotto kunnen zijn.
#freuding
January 22, 2025 at 12:16 PM
janhemelaer.bsky.social
Ben ik de enige die hier wel eens last van heeft? Nieuwe "volgers", met generieke profielen, geen posts, en namen en foto's die soms wel heel hard op elkaar lijken...
Wat doe je er aan?
January 7, 2025 at 3:01 PM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

13/20
Book cover - Stephen Biesty - Cross-Sections Man-of-War
December 27, 2024 at 9:13 AM
janhemelaer.bsky.social
"Der Preis des Prinzips ist immer geringer als die Kosten der Kapitulation. Das ist der Preis der Freiheit."

Panzergeneral Freuding over de oorlog in Oekraïne. Maar het zou een levensmotto kunnen zijn.
#freuding
Steeds nuchter, analytisch en menselijk. En goed voor het onderhouden van mijn Duits.
Panzergeneral Freuding: Der Preis des Prinzips ist immer geringer als die Kosten der Kapitulation, und das ist der Preis der Freiheit.
December 27, 2024 at 8:54 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

12/20
Book cover - Philip Pullman - His Dark Materials / The Golden Compass
December 26, 2024 at 4:31 PM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

11/20
Book cover - Bart Buyst - In het hoofd van de leider
December 25, 2024 at 2:46 PM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

10/20
Book cover - John Kotter / Holger Rathgeber - Our Iceberg Is Melting
December 23, 2024 at 9:04 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

9/20
Book cover - John Perry - The Art of Procrastination / de kunst van het uitstellen
December 22, 2024 at 8:05 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

8/20
Book cover - Hergé - Kuifje en de Picaro's / Tintin and the Picaros
December 21, 2024 at 5:54 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

7/20
Book cover - Geoffrey Parker - The Military Revolution
December 20, 2024 at 6:41 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

6/20
Book cover - Rutger Bregman - Wat maakt een verzetsheld?
December 19, 2024 at 6:20 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

5/20
Book cover - Tony Judt - Ill Fares the Land / Het land is moe
December 18, 2024 at 6:25 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

4/20
Book cover - FLIM-FLAM! - James Randi
December 17, 2024 at 6:05 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

3/20
Book cover - Peter Connolly - The Roman Army / Het Romeinse Leger
December 16, 2024 at 5:52 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

2/20
Book cover - Willem Elsschot - Verzameld werk
December 15, 2024 at 8:44 AM
janhemelaer.bsky.social
Choose 20 books that have stayed with you or influenced you. One book per day for 20 days, in no particular order. No explanations, no reviews, just covers.

#BookSky

#BookChallenge

#Books

1/20
Book cover - Richard Dawkins - The Blind Watchmaker
December 14, 2024 at 2:07 PM
janhemelaer.bsky.social
Piketty als stripverhaal. Ben zeer benieuwd. Of het een beetje vlot leest. En of en hoe de beeldtaal verrijkend werkt.
November 30, 2024 at 9:55 AM
janhemelaer.bsky.social
November 25, 2024 at 7:35 PM
janhemelaer.bsky.social
ZX Spectrum - 48k RAM
November 24, 2024 at 9:58 PM
janhemelaer.bsky.social
Op de laatste dag van de hackaton toonden de deelnemers trots hun resultaten aan elkaar...
November 17, 2024 at 5:45 PM