Lars Fischer
@fischblog.bsky.social
Chemist, blogger and science journalist. Physical sciences editor for Spektrum der Wissenschaft.
Writes about chemistry, infectious diseases, earth sciences, disasters and quokkas.
Posts in english and german.
Writes about chemistry, infectious diseases, earth sciences, disasters and quokkas.
Posts in english and german.
November 3, 2025 at 1:09 PM
Steampunk is all well and good, but it is really a bit like a cargo cult version of the real thing.
October 29, 2025 at 9:04 AM
Steampunk is all well and good, but it is really a bit like a cargo cult version of the real thing.
Recycling concrete is actually a thing: gravel from recycled concrete.
October 27, 2025 at 1:59 PM
Recycling concrete is actually a thing: gravel from recycled concrete.
Visiting a gravel production area near Erfurt. The gravel is dug up, cleaned and directly processed into concrete here. Kilometer-long conveyor belts transport the gravel to the central processing hub.
It's about 12 m of gravel, so it's much less impressive than other open pit mines.
It's about 12 m of gravel, so it's much less impressive than other open pit mines.
October 27, 2025 at 11:00 AM
Visiting a gravel production area near Erfurt. The gravel is dug up, cleaned and directly processed into concrete here. Kilometer-long conveyor belts transport the gravel to the central processing hub.
It's about 12 m of gravel, so it's much less impressive than other open pit mines.
It's about 12 m of gravel, so it's much less impressive than other open pit mines.
Winter Is Coming!
It caused me quite a bit of trouble to find masks that have both a foam nose pad and a clip for connecting the elastic bands behind the head.
It caused me quite a bit of trouble to find masks that have both a foam nose pad and a clip for connecting the elastic bands behind the head.
October 17, 2025 at 11:28 AM
Winter Is Coming!
It caused me quite a bit of trouble to find masks that have both a foam nose pad and a clip for connecting the elastic bands behind the head.
It caused me quite a bit of trouble to find masks that have both a foam nose pad and a clip for connecting the elastic bands behind the head.
This is not surprising. We already know direct carbon compensation doesn't work. And carbon credit trading schemes are just a more elaborate version of the same thing.
October 15, 2025 at 7:05 AM
This is not surprising. We already know direct carbon compensation doesn't work. And carbon credit trading schemes are just a more elaborate version of the same thing.
Is there something historians are not telling us? Or cephalopod researchers, for that matter? 🤔
#constantine
#cuttlefish
#constantine
#cuttlefish
October 3, 2025 at 12:46 PM
Is there something historians are not telling us? Or cephalopod researchers, for that matter? 🤔
#constantine
#cuttlefish
#constantine
#cuttlefish
If you need some money quickly you might consider playing Poker against Donald Tusk. 🙄
(via the Guardian)
(via the Guardian)
September 22, 2025 at 1:30 PM
If you need some money quickly you might consider playing Poker against Donald Tusk. 🙄
(via the Guardian)
(via the Guardian)
Error Code: Problem Exists Between Chair And Keyboard
August 26, 2025 at 10:02 AM
Error Code: Problem Exists Between Chair And Keyboard
There should be some kind of award for the most disturbing slide of the conference.
#dreamreactions
#chemsky
#dreamreactions
#chemsky
August 21, 2025 at 10:06 AM
There should be some kind of award for the most disturbing slide of the conference.
#dreamreactions
#chemsky
#dreamreactions
#chemsky
August 21, 2025 at 8:10 AM
In this hotel room in germany a guest once got horribly drunk and died after running into the wall. They put up a cross in his memory that hangs there to this day.
August 20, 2025 at 7:00 PM
In this hotel room in germany a guest once got horribly drunk and died after running into the wall. They put up a cross in his memory that hangs there to this day.
Every revolution starts with small acts of defiance.
August 14, 2025 at 7:02 AM
Every revolution starts with small acts of defiance.
Moin. :-)
Bitteschön. So sieht das ungefähr aus. Hoffe du kannst es lesen. Der große rote Punkt sid die Starkbeben, Vulkanausbrüche gehen von den Mahmakammern direkt unter den Vulkanen aus.
Bitteschön. So sieht das ungefähr aus. Hoffe du kannst es lesen. Der große rote Punkt sid die Starkbeben, Vulkanausbrüche gehen von den Mahmakammern direkt unter den Vulkanen aus.
August 5, 2025 at 8:23 AM
Moin. :-)
Bitteschön. So sieht das ungefähr aus. Hoffe du kannst es lesen. Der große rote Punkt sid die Starkbeben, Vulkanausbrüche gehen von den Mahmakammern direkt unter den Vulkanen aus.
Bitteschön. So sieht das ungefähr aus. Hoffe du kannst es lesen. Der große rote Punkt sid die Starkbeben, Vulkanausbrüche gehen von den Mahmakammern direkt unter den Vulkanen aus.
Diploma in chemistry. Saved the other arm for PhD, but never got to that b/c found a better job.
June 13, 2025 at 6:47 PM
Diploma in chemistry. Saved the other arm for PhD, but never got to that b/c found a better job.
My favourite Experiment! 🥰
June 8, 2025 at 1:02 PM
My favourite Experiment! 🥰
The Science Center Plzeň is amazing. 👍 Well chosen experiments, a nice layout and the perfect size to keep a family occupied for a few hours without being overwhelming.
June 8, 2025 at 11:36 AM
The Science Center Plzeň is amazing. 👍 Well chosen experiments, a nice layout and the perfect size to keep a family occupied for a few hours without being overwhelming.
I call it Risotto con Residui dal Frigo. 👨🍳👌
May 23, 2025 at 7:48 PM
I call it Risotto con Residui dal Frigo. 👨🍳👌
We at @spektrum.de like cake, and we like aperiodic tiling.
So, last week was @manonym025.bsky.social s birthday and, well, it was sort of inevitable. 🤭
Unfortunately the cake is only theoretically infinite.
So, last week was @manonym025.bsky.social s birthday and, well, it was sort of inevitable. 🤭
Unfortunately the cake is only theoretically infinite.
May 5, 2025 at 11:42 AM
We at @spektrum.de like cake, and we like aperiodic tiling.
So, last week was @manonym025.bsky.social s birthday and, well, it was sort of inevitable. 🤭
Unfortunately the cake is only theoretically infinite.
So, last week was @manonym025.bsky.social s birthday and, well, it was sort of inevitable. 🤭
Unfortunately the cake is only theoretically infinite.
It's early monday morning and already an important editorial decision has to be made. Life is tough in journalism!
May 5, 2025 at 7:16 AM
It's early monday morning and already an important editorial decision has to be made. Life is tough in journalism!