screw effect
41Violin — Infobox Instrument name=Violin names=Fiddle, de: Violine or Geige, fr: Violon, it: Violino classification=String instrument (bowed) range= related= *Violin family (viola, cello) *Viol family (includes double bass) musicians= *List of violinists… …
42Laminitis — is a disease of the digital laminae of the hoof (foot of an ungulate). It is most well known in horses and cattle.PathologyThe digital laminae are responsible for suspension of the axial skeleton of the animal within the hoof and dissipate… …
43Egypt, ancient — Introduction civilization in northeastern Africa dating from the 3rd millennium BC. Its many achievements, preserved in its art and monuments, hold a fascination that continues to grow as archaeological finds expose its secrets. This article… …
44Speeds and feeds — A line drawing showing some basic concepts of speeds and feeds in the context of lathe work. The angular velocity of the workpiece (rev/min) is called the spindle speed by machinists. Its tangential linear equivalent at the tool cutter interface… …
45Cue sports techniques — Illustration from Michael Phelan s 1859 book, The Game of Billiards Cue sports techniques (usually more specific, e.g., billiards techniques, snooker techniques) are an immensely important aspect of game play in the various cue sports such as… …
46List of ships of the line of the Royal Navy — This is a list of ships of the line of the Royal Navy of England, and later (from 1707) of Great Britain, and the United Kingdom. The list dates from 1660, the year in which the Royal Navy came into being after the restoration of the monarchy… …
47Timeline of historic inventions — The timeline of historic inventions is a chronological list of particularly important or significant technological inventions. Note: Dates for inventions are often controversial. Inventions are often invented by several inventors around the same… …
48Photographic filter — Four photographic filters. Clockwise, from top left, an infrared hot mirror filter, a polarising filter, and a UV filter. The larger filter is a polariser for Cokin style filter mounts. In photography and videography, a filter is a camera… …
49Squirt boating — is a form of whitewater kayaking or canoeing where the boat is designed to be as low in volume as possible while still allowing the paddler to float. Squirt boats are designed to utilize both surface and underwater currents to maneuver within the …
50Tripod (photography) — A camera mounted on a tripod. In photography, a tripod is used to stabilize and elevate a camera, or to support flashes or other photographic equipment. All photographic tripods have three legs and a mounting head to couple with a camera. The… …
