Binary phonological opposition in distinctive feature analysis, based on acoustically analyzed and spectrally defined criteria ( acoustic phonetics, spectral analysis). Acoustic characteristic: greater (more compact) vs lesser (more diffuse)...

Internal ballistics, a subfield of ballistics, is the study of a projectile's behavior from the time its propellant's igniter is initiated until it exits the gun barrel. The study of internal ballistics is important to designers and users of firearms of...