Timeline
Mosmas and Send 52249 went for a hike
October 5, 2026 at 10:33
an der Niers bei Wachtendonk
Standard-Spaziergang mit Freund Ralf an der Niers bei Wachtendonk
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Mosmas and Send 52249 went for a hike
July 28, 2026 at 09:56
Wanderung bei Wachtendonk
unsere Standard-Wanderung durch die Niersniederungen südlich von Wachtendonk
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July 29, 2026
Always beautiful again: a walk along the Niers, then through the lowlands of Niers and Nette and finally a stroll through picturesque Wachtendonk. We just never get tired of it.
Topics today: this and that and - once again - the controversy surrounding post-quantum cryptography.
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Mosmas and Send 52249 went for a hike
April 20, 2026 at 11:11
Wachtendonk, Vietnam, Cryptlib ...
Spaziergang mit Freund Ralf bei Wachtendonk
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April 20, 2026
Walk with friend Ralf on the Niers south of Wachtendonk. Our topics of conversation today:
☀ Bike tour through Vietnam: komoot.com/de-de/collection/4199559
☀ Further development of the Cryptlib tools: senderek.ie/cryptlib/tools/cryptlib-tools.php
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Mosmas and Send 52249 went for a hike
February 9, 2026 at 10:56
erster Ausgang nach Lumbago: Wachtendonk
Spaziergang mit Freund Ralf südlich Wachtendonks, leicht gekürzt
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February 24, 2026
This time, the lumbago attack left me paralyzed for three weeks, but now a longer outing is possible. My friend Ralf and I are taking our usual walk south of Wachtendonk, but we're shortening it a bit.
Today's topic (and not for the first time): Post-Quantum Cryptography – or: do established cryptographic
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Mosmas and Send 52249 went for a hike
December 28, 2025 at 10:26
Winterwandern Wachtendonk
Spaziergang an der Niers bei strahlender Wintersonne
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December 29, 2025
The bright winter sun beckons, and my friend Ralf and I meet for the last time this year for an intense exchange of ideas about beautiful and less beautiful events.
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Mosmas and Send 52249 went for a hike
July 10, 2025 at 09:00
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July 10, 2025
Another meeting with friend Ralf in Wachtendonk. The program includes a walk along the Niers River and coffee and cake in the historic town center.
Today's topics: How exactly does a gravitational wave detector work? How are we ordinary people supposed to digest the oddities of quantum mechanics when
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Mosmas and Send 52249 went for a hike
April 3, 2025 at 09:55
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April 3, 2025
Hike with my friend Ralf through the beautiful Niers lowlands, whose full name is "Nature Conservation Area Nette, Niersaue, Niersgraben, Schleck, Aerbecker Bach, Hetzerter Beek, Moorbeek, Langdorfer Beek, and Dorfbeek." Seriously! They extend upstream of the Niers south of the pretty village of Wachtendonk
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Mosmas and Send 52249 went for a hike
December 28, 2024 at 11:58
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December 28, 2024
Hike with friend Ralf through the wintery, frost-covered Niers lowlands near Wachtendonk. This time our chat mix included the topics of health (that's inevitable for people our age), new perspectives in an older crypto project and ideas for a 30-minute science talk with an unannounced surprise topic.
Exciting, all of it!
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Mosmas and Send 52249 went for a hike
January 30, 2024 at 11:02
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February 10, 2024
Always the same tried and tested friend, always the same tried and tested group, always the same tried and tested photo opportunities. Even if I change the place name, everything stays the same. But always beautiful!
Our topic today: Implementing a MIDI interface in machine language on 6502 processor.
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Mosmas and Send 52249 went for a hike
November 6, 2023 at 11:00
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November 6, 2023
A chat with friend Ralf – always nice! (The chatting and the round.)
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Mosmas and Send 52249 went for a hike
August 30, 2023 at 08:02
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August 30, 2023
Given the rain that started immediately after arriving in Wachtendonk, friend R and I shortened our standard walk at Wachtendonk and continued our lively exchange of ideas (high on the list of my favorite words!) in the café on Friedensplatz.
Conclusion: the Niers is no less beautiful even in the rain!
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Mosmas and Send 52249 went for a hike
April 11, 2023 at 10:02
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April 11, 2023
Chatting with friend Ralf about the Schönebecker Terrassenfriedhof, which I value as an area for walks, because it is close by and offers an attractive mix of a cemetery with its floral decorations and a park with a considerable stock of trees.
However, we were so engrossed in our discussion that I forgot
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Mosmas and Send 52249 went for a hike
November 11, 2022 at 12:02
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November 11, 2022
Proven chat with a trusted friend. Always the same round, always different, always beautiful!
[Track: Recording (Komoot)]
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Mosmas and Send 52249 went for a hike
July 23, 2022 at 11:07
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July 23, 2022
I've known friend Ralf since I was a student (about a century), but we still (or maybe because of that) always have a lot to talk about. For years we have been meeting up in the pretty town of Wachtendonk to exchange ideas on a long walk or a little bike tour of Niers and the surrounding area.
Always
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Mosmas and Send 52249 went for a hike
April 26, 2022 at 10:06
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April 26, 2022
We (friend R. and I) won't get tired of it - it's just a wonderful round through charming landscape; and the medieval town of Wachtendonk is always worth a short visit. An hour and a half to chat in beautiful surroundings!
[Track: Recording (Komoot)]
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7 days ago
Traditionally, my friend Ralf and I meet in Wachtendonk – located about halfway between our homes –, enjoy the magnificent Lower Rhine cultural landscape and use an extended walk for an in-depth exchange of ideas.
Today, I learn news about the Cryptlib tools: Signature creation with Cryptlib while maintaining
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