water droplets on waterproof surface of the car vinyl film are blue purple

water droplets waterproof surface car vinyl film are blue purple background abstract pattern texture nature leaf art moisture liquid shape rainbow spectrum drop wet colorful rain squirt splashes splash weather selfcleaning sealing repelled reflected raindrops hydrophobic nanoversiegelung phenomenon ball deflector dew drops effect glass gradient colored h2o light lotus beading lotuseffect biotechnoligie morning nano nanotechnology