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19-03-2025 Revisiting Thoreau in the Twenty-first Century

09-02-2025 Sovereign Wealth Funds

29-01-2025 Varoufakis' word salad visions offer no solution path

27-01-2025 New York to Paris in 30 mins? How to achieve Elon Musk’s vision of rockets replacing long haul

31-12-2024 Some notes on BEAM

11-12-2024 Graeber and Thiel on Stagnation

09-12-2024 Moravec's Paradox

06-10-2024 Inflatable von Braun space stations: an idea worth revisiting?

29-09-2024 Some Space Stations in Fiction and Reality