No, really, pi is wrong: The Tau Manifesto For millennia, the circle has been considered the most perfect of shapes, and the circle constant π captured the geometry of the circle in a single number. But π is wrong, and it’s time to set things ...

Happy τ-day! :)
τ = 2π = 6.28…
#TauDay #τday #PiDay

www.tauday.com

Happy Europe Day!

While the world retreats behind tariffs, denies the climate crisis, drills for yesterday’s fuels and gambles away the future of our children—Europe designs Starline.
A pan-European high-speed rail network that slashes CO₂ emissions by up to 90% compared to flights. Fast, clean, connected.

A stylised green outline of an electrical plug curves across the top. In the centre is the bold text "47%" in black, followed by the text "Electricity generated from renewables in the EU in 2024" in a smaller font below. In the lower-left corner are faint line drawings of a wind turbine and solar panels. The European Commission logo is in the top right corner. The background has a faint watermark pattern.

2024 was a record year for renewables.

Renewable generation reached 47% of the EU power mix, helping to bring down average wholesale electricity prices since 2021

Here are some key figures ↓

Tariffs xkcd.com/3073

Biene auf einem blühenden Ast einer Rosaceae.

Frühling in Paris.

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