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Tomas Pueyo

@tomaspueyo

Apr 13

10 surprising things I've learned about Korea as I research it:

1. You might have seen the map of day & night lights in North vs South Korea, but have you compared it with population density?

2. Seoul is just monstrous. Its metro area covers 12% of South Korea🇰🇷's surface but 50% of its population

3. North Korea is a dictatorship, but South Korea 🇰🇷 is no perfect democracy. All but ONE of🇰🇷's heads of state have had a troubled life...

Read 12 tweets

Tomas Pueyo

@tomaspueyo

Apr 11

I think the craziness of North Korea is most apparent in its architecture. 7 examples:

1. The Science & Technology complex has the shape of an atom from above

2. North Koreans like making their buildings' form represent their function. This is the entrance of the Zoo in the capital, Pyongyang:

3. The tallest building in the country is empty!
The Ryugyong Hotel was never finished. This Blade-Runner-style building has been empty for decades. The gov put LEDs on one facade, to use it... for propaganda

Read 8 tweets

Tomas Pueyo

@tomaspueyo

Feb 24

The stupidest German policy of the last decade: closing its nuclear power plants

These are Germany's sources of electricity vs what they could have been if they had kept nuclear open:

• This has destroyed Germany's industry
• The new gov can reverse this
🧵

Germany's economy is in tatters. It's one of the slowest-growing rich economies. It has been in recession in 2023 and 2024!

One of the main reasons is its industrial production: It's shrunk compared to similar countries

Read 13 tweets

Tomas Pueyo

@tomaspueyo

Feb 19

This Sunday are Germany's elections
These are the best maps to understand the country:
Why is it so rich?
What makes it special?
What lies in its future?

1. We can still tell the East/West divide, 35 years after the reunification. These are Germany's phantom borders

2. Before WW2, East Germany had more:
• Working class ppl
• Vote left
• Women working
• Births out of wedlock
• Protestantism

3. The main reason is because this region industrialized early. One of the reasons of that industrialization is because of the Bohemian Mountains and their coal and iron

Read 24 tweets

Tomas Pueyo

@tomaspueyo

Jan 29

UNPRECEDENTED
The singularity is near. We're 1-6 years away from AGI according to:
1. Prediction markets
2. Insider insights
3. Benchmarks
4. Lack of barriers to growth
5. Current progress

This breakneck speed of AI progress is illustrated by OpenAI's o3 and DeepSeek🧵

1. Prediction Markets:
Average bet on AGI: November 2030
Mode: June 2027

Two other bets in Metaculus match this:
• Two years to weak AGI, so by the end of 2026
• Three years later, Superintelligence, so by the end of 2029

Read 22 tweets

Tomas Pueyo

@tomaspueyo

Jan 18

This remote corner of the US has something unique that might soon make it one of the most important cities in the world—the city of the future. It is officially Boca Chica today, but it might soon become Starbase 🧵

This point at the south of Texas is the southernmost point in the continental US

That is extremely useful for rockets

The biggest share of weight in rockets is fuel. Most of it is burnt just to carry the rest to orbit! Rocket makers do anything they can to reduce fuel consumption

Read 14 tweets

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