- Relativistic effect whereby electrons might travel through rather than over the gravitational wall around a black hole, especially one of low mass
Cars & Driving
- noun the process of moving a component deeply into its surrounding sheet metal to give the appearance of being recessed, e.g. headlights, tail lights and aerials.
- noun a method of enclosing a packet of data from one type of network within another packet so that it can be sent over a different, incompatible network