ResearchArnold KristoffSeptember 18, 2019superhydrophobic, hydrophobic, porcupinefish, nature, natural world, nano, nanotech, nanotechnology Sturdy superhydrophobic material inspired by Porcupinefish ResearchArnold KristoffSeptember 18, 2019superhydrophobic, hydrophobic, porcupinefish, nature, natural world, nano, nanotech, nanotechnology