2,700-year-old sword found standing upright in a Polish forest may reveal a forgotten Bronze Age ritual

A 2,700-year-old bronze sword was discovered standing upright in a Polish forest. This unusual position suggests deliberate placement, possibly as a ritual offering. The well-preserved blade offers insights into Bronze Age craftsmanship and wealth. Sim…

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How Solar Impulse 2 became the first aircraft to complete a 40,000 km fuel-free journey around the world

Solar Impulse 2 completed the first fuel-free flight around the world. The aircraft traveled approximately 40,000 kilometers using only solar energy. It relied on solar cells and onboard batteries to power electric motors. This mission demonstrated adv…

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