Tunneling or tunnelling may refer to: * Digging

tunnel A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...

s (the literal meaning) ** Hobby tunneling *

Quantum tunneling In physics, a quantum (plural quanta) is the minimum amount of any physical entity (physical property) involved in an interaction. The fundamental notion that a physical property can be "quantized" is referred to as "the hypothesis of quantizati ...

, the quantum-mechanical effect where a particle crosses through a classically forbidden potential energy barrier * Tunneling (fraud), a fraud committed by a company's own management or by major shareholders *

Tunneling protocol In computer networks, a tunneling protocol is a communication protocol which allows for the movement of data from one network to another. It involves allowing private network communications to be sent across a public network (such as the Internet ...

, transmitting one computer network protocol that is encapsulated inside another network protocol

See also