Most engineers accept that an angle-modulated signal can be demodulated given only its zero crossings. Unfortunately, proofs of this fact tend to be either quite complicated and devoid of physical ...

Department of Physics, Institute for Energy Technology, Post Office Box 40, N-2027 Kjeller, Norway, Department of Chemistry, University of Oslo, Post Office Box 1033, Blindern, N-0315 Oslo, Norway, ...

The Young and Dupré equation for the angle of contact of a liquid resting on a solid surface may be derived as a thermodynamic relationship, ... Porous materials: structure, properties and capillary ...