Silica aerogels will gently absorb the kinetic energy of impacts. A feature of silica aerogels that can have a dramatic effect on their physical behavior. Silica Aerogels A table of measurements from various sources. Optical Properties and Spectrum Silica aerogels are transparent. The phenomenon most studied for aerogels.
Many compositions are possible.
An Optical Oxygen Sensor A special silica aerogel is at the heart of this device. A collection of classic aerogel snapshots. Many are 24-bit color. A Partial Bibliography for Silica Aerogels References to technical papers concerning silica aerogels.