Link 2025-11-05 @ 17.21.19 ∈ In English How Rockets Create Spirals in Space - Sixty SymbolsProfessor Meghan Gray discusses spirals in space.
Link 2025-09-16 @ 11.37.03 ∈ In English Why Do Wind Turbines Have Three Blades?Wind turbines are a successful and popular method to create clean energy. But why do almost all of them have 3 blades? Here are 3 reasons.
