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Monsoon Winds

All articles tagged with #monsoon winds

Wind-Sculpted Steel: How Monsoons Forged Sri Lanka’s Legendary Wootz
science16 days ago

Wind-Sculpted Steel: How Monsoons Forged Sri Lanka’s Legendary Wootz

Ancient Sri Lankans forged the renowned high‑carbon Wootz steel centuries before Damascus blades by smelting iron in hilltop forges that used the power of the monsoons. Archaeologist Gill Juleff showed the furnaces faced the wind and worked like wind‑driven flutes, creating a Bernoulli effect that produced blooms of iron and rich, patterned steel. Originating in the Indian subcontinent and fading after a 12th‑century invasion cut off trade, the technique was reverse‑engineered from these hilltop forges, revealing why Wootz steel was so prized.

The wandering glider: the globe-trotting dragonfly that sails the oceans
environment17 days ago

The wandering glider: the globe-trotting dragonfly that sails the oceans

Known as the wandering glider (Pantala flavescens), this 4.5 cm dragonfly is the planet’s farthest-migrating insect, traveling up to 18,000 km between India and East Africa and even crossing 3,500 km of open ocean on monsoon winds. It breeds rapidly—in 38 days larvae develop—allowing females to lay up to 2,000 eggs and exploit ephemeral waters, and recent isotope and genetic studies show it represents a single global population. Found on every continent except Antarctica, its extraordinary migration highlights how even common insects can host astonishing journeys.