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AEROGELS are some of the lightest materials in the world, and they make excellent insulation for homes, or heat shielding for spacecraft. But they are extremely difficult to make. Now, researchers have developed a new method that mimics how baby dragonflies ready their jelly-like wings for flight.
When an entomologist called in at , UK, to use her electron microscope, she thought they would just be looking at dragonfly wings to identify their species. But when she had a peek, she was taken aback. The wings were full of tiny pores, just like the…
