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The Economist
30 Oct 2024
Science & technology | Blue-sky thinking
Airships may finally prove useful for transporting cargo
The problem of variable buoyancy is being overcome
|Santa Barbara
IN 1783 THE Montgolfier brothers lofted a trio of farm animals over Versailles in a hot-air balloon, in what remains the most iconic demonstration of the power of lighter-than-air craft. Since then such vehicles have adapted to carry ever more—and ever more distinguished—passengers. But they have rarely been used to transport cargo.
Space may be worse for humans than thought
Why going into orbit sends cells haywire
Heart-cockle shells may work like fibre-optic cables
Inbuilt lenses transmit sunlight to symbiotic algae
Winemakers are building grape-picking robots
Automating this delicate task is harder than it seems
Why Oriental hornets can’t get drunk
They can guzzle extreme amounts for their size, without suffering ill effects
The study of ancient DNA is helping to solve modern crimes
Such techniques have helped secure two convictions this year
Perovskite crystals may represent the future of solar power
Their efficiency rates far exceed those of conventional silicon panels