Marcus
@marcus-on-a-bike.bsky.social
Dad, structural engineer (on a pause), bikes, runs, hikes. Resides in London, but heart lives in NYC.
(Formerly @marcus73 over on the tweets)
(Formerly @marcus73 over on the tweets)
Really hoping the production of Portland cement via electrolysis can be ramped up to industrial levels, would be a game changer.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Low-emission cement clinker precursor production, enabled by electrolytic extraction of calcium from waste cement - Nature Communications
Cement production is one of the largest industrial sources of global CO2 emissions. This study presents an electrochemical process that recycles waste cement into hydrated lime for cement production, ...
www.nature.com
December 4, 2025 at 8:38 PM
Really hoping the production of Portland cement via electrolysis can be ramped up to industrial levels, would be a game changer.
www.nature.com/articles/s41...
www.nature.com/articles/s41...
It was even longer before Robert Gottlieb edited out a third of it (350,000 words!)
December 4, 2025 at 8:30 PM
It was even longer before Robert Gottlieb edited out a third of it (350,000 words!)
Awesome soundtrack. Still have the CD somewhere. Pump up the jams motherf@@@ers!!!
December 4, 2025 at 8:24 PM
Awesome soundtrack. Still have the CD somewhere. Pump up the jams motherf@@@ers!!!
Even better! Thanks.
December 4, 2025 at 7:09 PM
Even better! Thanks.
Any idea if Olympic Park Ave is getting bike lanes on the bridge as part of this scheme? I’d love to see one side of the deck turned into pedestrian and cycle only. It would mean eliminating the footpath on the other side, but the bridge was designed for two lanes of traffic on each side (by me!)
December 4, 2025 at 6:41 PM
Any idea if Olympic Park Ave is getting bike lanes on the bridge as part of this scheme? I’d love to see one side of the deck turned into pedestrian and cycle only. It would mean eliminating the footpath on the other side, but the bridge was designed for two lanes of traffic on each side (by me!)
I worked on the greenway design for the olympics way back in 2007. Had to assess all of the northern outfall sewer bridges for pedestrian crowd loading. Bazalgette passed his test.
December 2, 2025 at 12:48 PM
I worked on the greenway design for the olympics way back in 2007. Had to assess all of the northern outfall sewer bridges for pedestrian crowd loading. Bazalgette passed his test.
I’m a little late to the game here. Mildmay filters went in on Oct 28th I believe. Southbound bus filter on Boleyn to come later. There’s also one on King Henry’s Walk I didn’t get a photo of, but definitely working, as the streets are much less busy!
November 10, 2025 at 11:02 AM
I’m a little late to the game here. Mildmay filters went in on Oct 28th I believe. Southbound bus filter on Boleyn to come later. There’s also one on King Henry’s Walk I didn’t get a photo of, but definitely working, as the streets are much less busy!
Looking a lot closer to finished. Definitely done up to Pellerin Rd. still some work around the junction at Wordsworth Rd.
November 10, 2025 at 10:57 AM
Looking a lot closer to finished. Definitely done up to Pellerin Rd. still some work around the junction at Wordsworth Rd.
Some progress + contra flow wanded lane installed. Apparently they found some of the foundations for the old courthouse, hicks hall. en.wikipedia.org/wiki/Hicks_H...
November 5, 2025 at 2:53 PM
Some progress + contra flow wanded lane installed. Apparently they found some of the foundations for the old courthouse, hicks hall. en.wikipedia.org/wiki/Hicks_H...
Contraflow cycle lane with wands is in the works. Should be installed soon.
October 4, 2025 at 4:28 PM
Contraflow cycle lane with wands is in the works. Should be installed soon.
If “leave to remain” isn’t a messed up enough term, the physical ID card they give you actually expires - so much for indefinite. Thankfully they’ve finally introduced a digital version (which presumably doesn’t expire?), but still…
September 28, 2025 at 3:43 PM
If “leave to remain” isn’t a messed up enough term, the physical ID card they give you actually expires - so much for indefinite. Thankfully they’ve finally introduced a digital version (which presumably doesn’t expire?), but still…
Thanks for sharing that! I remember reading that when it came out; great essay. I still fondly recall pre 9/11 NY in my head. Definitely my favourite NY, even with the complete lack of decent bike lanes.
September 11, 2025 at 6:51 PM
Thanks for sharing that! I remember reading that when it came out; great essay. I still fondly recall pre 9/11 NY in my head. Definitely my favourite NY, even with the complete lack of decent bike lanes.
Looks fab! Do you know the opening date?
September 10, 2025 at 10:59 PM
Looks fab! Do you know the opening date?
Getting off in Vieje I was wondering if you might be making an impromptu detour to Billund to visit the Lego house. Seemed improbable given your timetable.
September 10, 2025 at 10:46 PM
Getting off in Vieje I was wondering if you might be making an impromptu detour to Billund to visit the Lego house. Seemed improbable given your timetable.
I saw that this summer and wondered what it was doing so far from home! Thanks for the link explaining it.
September 10, 2025 at 10:34 PM
I saw that this summer and wondered what it was doing so far from home! Thanks for the link explaining it.
I purchased 10 different brands of salty liquorice when I was in Norway this summer and those were definitely the best. Very… unique.
September 9, 2025 at 7:47 PM
I purchased 10 different brands of salty liquorice when I was in Norway this summer and those were definitely the best. Very… unique.
I finally kicked out the 10 year old, mainly because he kept fighting with his (7year old) sister. Also, that was just way too much weight for the bike. Probably should have done it sooner.
September 4, 2025 at 8:23 PM
I finally kicked out the 10 year old, mainly because he kept fighting with his (7year old) sister. Also, that was just way too much weight for the bike. Probably should have done it sooner.
Oops, good catch ! I think I was thinking one thing and typing another.
September 4, 2025 at 7:31 PM
Oops, good catch ! I think I was thinking one thing and typing another.
My friend’s parents called me ‘the mouth’ because I ate so much of their food after school. Then I would go home and destroy dinner and have the leftovers 2 hours later. I was insatiable! Riding 8 miles each way to school and running cross country probably didn’t help the situation.
September 2, 2025 at 9:29 PM
My friend’s parents called me ‘the mouth’ because I ate so much of their food after school. Then I would go home and destroy dinner and have the leftovers 2 hours later. I was insatiable! Riding 8 miles each way to school and running cross country probably didn’t help the situation.
Saw that yesterday, they were laying asphalt in the pouring rain, hopefully no durability issues over that. That stretch by the pub was truly awful to ride, so looking forward to riding it. I go this way a lot more often now that the Newington Green cycle track allows E-W movement.
August 30, 2025 at 8:50 AM
Saw that yesterday, they were laying asphalt in the pouring rain, hopefully no durability issues over that. That stretch by the pub was truly awful to ride, so looking forward to riding it. I go this way a lot more often now that the Newington Green cycle track allows E-W movement.
I designed that bridge! (We did not specify that anti-climb paint).
August 23, 2025 at 1:19 PM
I designed that bridge! (We did not specify that anti-climb paint).
I saw it at an exhibition at the British Museum back in 2008, ‘The American Scene: Prints from Hopper to Pollock’. I’ve got a print of it at home (obs not an original).
August 19, 2025 at 3:17 PM
I saw it at an exhibition at the British Museum back in 2008, ‘The American Scene: Prints from Hopper to Pollock’. I’ve got a print of it at home (obs not an original).