😂 The odds of landing in a fight with a kangaroo right after parachuting to the ground are pretty low…
But if you're in Australia, apparently they're never zero.
The French hate air conditioning.
So Paris built a 120-kilometre machine under its streets for producing cold.
It’s called Fraîcheur de Paris, and it does for summer heat what district heating did for winter: centralise the problem.
Instead of every museum, office, hotel, hospital and shop bolting its own cooling plant onto the building, Paris moves cold through pipes.
The network sends water chilled to 2 to 4°C through buried supply lines. The water enters a connected building, absorbs heat through an exchange station, then returns at 12 to 14°C to be cooled again.
It essentially functions with two pipes. One carries the cold out, the other carries heat back.
The production plants cool the circuit from 12°C to 4°C. Some sites use the Seine as a heat sink. In colder periods, the system can use the river’s own temperature for free cooling, which means the machines work less and the electricity demand drops. The Seine water doesn’t become the building water. It stays separate, passing temperature across heat exchangers.
The scale is pretty strange when you see it written down though.
It's got 15 production sites, 4 storage sites, 120 km of underground network with 924 subscribers. This has resulted in 7 million square metres cooled, and 493 GWh of cooling sold.
A cold utility running beneath one of the densest cities in Europe.
The Forum des Halles has been cooled this way since 1979. The Louvre since 1986. Galeries Lafayette, Opéra Garnier, Hôtel de Ville, Station F, La Samaritaine and the National Assembly all sit on the same idea. Tourists stand in the Louvre looking at paintings while a municipal cold loop does part of the dull work below ground.
The boring part is the breakthrough.
Cold can be stored at night in chilled water or ice, then used during daytime peaks. The network is monitored from a control room with more than 125,000 control points. A delivery station inside a building takes 5 to 7 times less space than a standalone cooling installation and avoids the roof and façade clutter that turns cities into compressor farms.
That matters because conventional air conditioning solves heat by moving it somewhere nearby. In a dense city, thousands of private machines mean thousands of outdoor units rejecting heat into streets, courtyards and roofs, plus refrigerants, noise, vibration and maintenance spread across every building.
Paris’s public cooling network has a stated coefficient of performance of 4, against 3 for a wet standalone system and 2 for a dry standalone system. Against an equivalent set of autonomous installations, Fraîcheur de Paris says the network gives 100% higher energy efficiency, 35% less electricity use, 90% fewer refrigerant-fluid emissions and 50% lower CO2 emissions.
The climate backdrop is the real reason this exists.
Paris ran a full crisis exercise called “Paris at 50°C” in 2023. Météo-France’s 2050 reference trajectory for France points to heatwave days becoming five times more frequent, hot nights rising sharply in urban centres, and some local extremes around 48°C becoming possible.
The city signed a 20-year concession in 2022 with Fraîcheur de Paris, owned 85% by ENGIE and 15% by RATP. The contract is worth a projected €2.4 billion. The plan is to extend the network by 158 km by 2042, add 20 production plants and 10 storage sites, and reach more than 3,000 subscribers, including hospitals, nurseries, schools and care homes.
This is basically the infrastructure version of admitting that summer is becoming a public systems problem...
Fun evening being guest speaker at the Ashwood school presentation evening with over 200 students parents and family.
Contact me today to book your speaker for your next corporate event or leadership event. #Speaker#Leadership
Winter track sessions in Geelong completing 4 sets of 100m sprint, 200m easy then 1200m fast. Good hard interesting set. Give this set a go and let me know what you think.
Join the squad today to start the journey to achieving your success.
#CoachLife
That's a goal TOTALLY missed by the ARC? 🫣
The AFL's recent rule change, no longer calling back live play, robs Geelong of the opener.
📺 Watch #AFLBluesCats on ch.504 or stream on Kayo: https://t.co/VZt4C3vWqP
✍️ BLOG https://t.co/A2jIwjEylJ
🔢 MATCH CENTRE https://t.co/mzj8PCPo8c
✨🇨🇳In many companies in China, there is a dedicated effort to recruit employees with disabilities, providing them with jobs and building inclusive workplaces.
BYD, for example, has over 5,300 disabled employees (end-2025) and adds hundreds annually.
SHOCKING FOOD FACTS YOU DIDN’T KNOW
1. Coconut water is so pure it was once used IV fluid!
2. Dark chocolate has more iron than beef!
3. Broccoli packs more vitamin C than an orange!
4. One avocado beats a banana in potassium!
5. Egg yolks hold almost every essential vitamin!
6. Apples give more lasting energy than coffee!
7. Just 5 walnuts a day can boost memory and brain power!
8. Celery is 95% water, a natural zero-calorie hydrator!
Overall retrospective on The Enhanced Games:
There are a few thoughts here to break down.
1) The athletes were so grateful to participate. They made so much money to be there, some $1M+ to participate. For them that was a new lease on life. For an athlete who is past their prime to be able to compete again, actually get paid, have support, they could not have been happier.
2) The athletes hitting PBs (personal bests) was actually interesting and a good to see. But who cares, right? What we want to see is WRs (world records) right? Sort of.
The athletes they got were mostly all past their prime. The pool they had to choose from had to be willing to take the enhancement drugs, be excommunicated from the traditional sports orgs for participating, have needed money, etc.
So basically they’re not the best of the best athletes that are enhancing (at least publicly in this event). Not jabs, reality of getting older in sports. And even then, many of them were able to perform the best they ever did in their lives with the enhancement. That’s actually a huge win and very cool.
And when you watched the interviews they’re honestly saying they FEEL the best they’ve ever felt. So good for them.
This is likely why several of the natural athletes outperformed the enhanced ones. Because those athletes were in their prime and training for the larger events. They were clean.
Of course the actual question remains: if you were to give an athlete in their PRIME these enhancements, how much better could the best become?
3) The Enhanced Games seems to be angling for some sort of subscription based supplement company model or something like that. In one of the interviews one of the organizers mentioned something like they’re using the event to collect data and want to sell supplements. So that seems to be the larger play: show people how drugs can improve their life, sell the drugs.
4) The event was clearly using science as the main patina to promote their larger business agenda.
TLDR: It was an interesting event. The athletes were over the moon grateful and excited to get paid (a lot). The organizers are trying to likely use this to promote some sort of supplement company. They got to expose the world to their drugs they’re trying to sell. Athletes got to hit PBs and feel great and play their sports again. It was overall a cool thing.
James Magnussen dropped 10+ kg from last year’s Enhanced Games test event because he was so slow. He then went even slower.
I guess that proves not even performance enhancing drugs can beat Father Time.
All that bluster was just hot air. What a joke. The event is a farce.
Great work by @LittleAthsVic to now have Vic best performances for multiclass athletes huge step forward in junior Para sport development in Vic with recognition of age records @LittleAthsAust