Hŷpercast tool showcase · open data
Maxwell (1865) explains every motor, generator and power line, and predicts light.
c = 1/√(μ₀ε₀) = 299,792,458 m/s
Almost every power station spins a magnet inside coils of wire.
Transformers step voltage up for distance and down for homes. Inverters turn solar DC into AC.
31.8k TWh in 2025 · 33% coal · 8.7% solar · 43% low-carbon
Coal 10,472 · Gas 6,921 · Hydro 4,435 · Nuclear 2,812 · Wind 2,713 · Solar 2,779 · Oil 842 · Bio 710 TWh (2025)
About 35,000 power plants, mapped.
Batteries hold lithium between layers of cobalt oxide.
Data: Our World in Data (CC BY 4.0) · WRI Global Power Plant Database (CC BY 4.0)