Big Snowflakes Mean Mild Air
Really large snowflakes can only form when the edges of smaller snowflakes are still sticky and liquid. This happens when snowflakes pass through air that…
Tag: counter-intuitive
Tracking Tractors
Was this tractor heading towards us or away from us? Spoiler Alert 🙂 Tractors gain more traction with a ‘backwards’ herring-bone tread on their tyres.…