It is as if there is no light there at all, and the dust particle becomes invisible. (discovermagazine.com)
A few pieces of furniture are light weight enough they are easily moved around for conversations around the fire place or the main seating area. (houseofbrinson.com)
If the computer were programmed correctly and if there were a light on the dashboard, then the computer could detect a flat tire. (auto.howstuffworks.com)