A liquid microphone is based on Ohm’s law — current in a wire varies inversely with the circuit resistance. The mic contains a battery, needle, wire, and a metal cup with a diaphragm placed over the top. The metal cup is filled with water and a small amount of sulfuric acid. The s...
inside the cabinet and the sound comes out only through the port(s). For the 4th order bandpass, one side of the speaker is placed in a sealed enclosure, while the other side is placed in a ported enclosure. In this type of enclosure the ...
Congreve’s metal rocketbodies were equipped on one side with two or three thin metal loops into which a long guide stick was inserted and crimped firm. Weights of eight different sizes of these rockets ranged up to 60 pounds. Launching was from collapsible A-frame ladders. In addition to ...
I think it only makes since to have the ammo types mimic Full Metal Jacket/ Armor Piercing/ Hollow Point/ Sub-sonic/ ACP/ Magnum/ Long/ etc. rounds depending on what gun your equipping with them. How does it work as far as your ammo count as well? If I run out of Heavy shells ...
Sound healing is the use of specific instruments and sounds to balance and heal the body, mind and spirit. It involves creating a therapeutic atmosphere to promote deep rest, nervous system rebalancing, and emotional release.
Manufacturing (UAM) 3D printers bond thin layers of metal foil together using sound, machining away the excess for each layer before bonding the next layer of foil, so it’s a combination of additive and subtractive manufacturing. Fabrisonic’s line of SonicLayer 3D printers use this technology...
It is imperative to at least have one of these handy before you get the other two types below.Open Back HeadphonesAs the name suggests, these types of monitor over-ear headphones have fully open-ear can designs, with perforated metal serving as the cover. These openings allow outside sound...
After debuting as an organic modernist sculptor in the 1950's, Philippe Hiquily became the Surrealist Metal Furnituremaker To The Stars [of the French aristo jet set] in the 1960's and 1970's. For example, the limited edition coffee table, "Poupouce,"... [read the full post...] ...
Supercritical airfoil– Designed mainly to delay the onset of wave drag in the transonic (subsonic and supersonic) speed range Tailplane– Also called a horizontal stabilizer, which is a small lifting surface located on the tail of an aircraft ...
when the mach number is between 1 and 5, the flow is known as supersonic. q8 express 1 bar pressure in kpa. 1bar = 100 kpa. q9 what is the reynolds number? reynolds number is defined as the ratio of inertia force to viscous force. q10 what is reynolds number for laminar flow?