diameter-length ratio
31Honeycomb structure — For other uses, see Honeycomb (disambiguation). An image of aluminum honeycomb structure …
32Froude number — The Froude number is a dimensionless number comparing inertial and gravitational forces. It may be used to quantify the resistance of an object moving through water, and compare objects of different sizes. Named after William Froude, the Froude… …
33Bloodstain pattern analysis — (BPA) is one of several specialties in the field of forensic science. The use of bloodstains as evidence is not new; however, the application of modern science has brought it to a higher level. New technologies, especially advances in DNA… …
34Cross section (physics) — A cross section is the effective area which governs the probability of some scattering or absorption event. Together with particle density and path length, it can be used to predict the total scattering probability via the Beer Lambert law. In… …
35Flute — The flute is a musical instrument of the woodwind family. Unlike other woodwind instruments, a flute is a reedless wind instrument that produces its sound from the flow of air against an edge.A musician who plays the flute can be referred to as a …
36Infrared Space Observatory — Infobox Space Telescope name = Infrared Space Observatory background = caption = organization = European Space Agency (ESA) major contractors = Aerospatiale (currently Thales) alt names = nssdc id = 1995 062A location = In decaying orbit orbit… …
37Breast — The milk engorged breast of a pregnant woman …
38Muzzle velocity — For the computer video game, see Muzzle Velocity (computer game). Muzzle velocity is the speed a projectile has at the moment it leaves the muzzle of the gun[1]. Muzzle velocities range from approximately 400 ft/s (120 m/s) to… …
39Magnetic loop — antennas (also known as Small Transmitting/Receiving Loops) have a small antenna size compared to other antennas for the same wavelength. A magnetic loop is one in which the current amplitude is constant round the circumference, and it is… …
40Pipe Organ — Principal instrument of many Christian traditions. How an instrument associated with outdoor political and secular festivals of ancient Rome became the sole instrument allowed inside Christian churches by the 13th century remains mysterious,… …
