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Stonehenge is a prehistoric monument on Salisbury Plain in Wiltshire, England, two miles (3 km) west of Amesbury. It consists of an outer ring of vertical sarsen standing stones, each around 13 feet (4.0 m) high, seven feet (2.1 m) wide, and weighing around 25 tons, topped by connecting horizontal lintel stones. Inside is a ring of smaller bluestones. Inside these are free-standing trilithons, two bulkier vertical sarsens joined by one lintel. The whole monument, now ruinous, is aligned towards the sunrise on the summer solstice and sunset on the winter solstice. The stones are set within earthworks in the middle of the densest complex of Neolithic and Bronze Age monuments in England, including several hundred tumuli.
A machine is a physical system using power to apply forces and control movement to perform an action. The term is commonly applied to artificial devices, such as those employing engines or motors, but also to natural biological macromolecules, such as molecular machines. Machines can be driven by animals and people, by natural forces such as wind and water, and by chemical, thermal, or electrical power, and include a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement. They can also include computers and sensors that monitor performance and plan movement, often called mechanical systems.
In firearms terminology, an action is the functional mechanism of a breech-loading firearm that handles the ammunition cartridges, or the method by which that mechanism works. Actions are technically not present on muzzleloaders, as all those are single-shot firearms with a closed off breech with the powder and projectile manually loaded from the muzzle. Instead, the muzzleloader ignition mechanism is referred to as the lock.
A derailleur is a variable-ratio bicycle gearing system consisting of a chain, multiple sprockets of different sizes, and a mechanism to move the chain from one sprocket to another.
A ski binding is a device that connects a ski boot to the ski. Before the 1933 invention of ski lifts, skiers went uphill and down and cross-country on the same gear. As ski lifts became more prevalent, skis—and their bindings—became increasingly specialized, differentiated between alpine (downhill) and Nordic styles of skiing. Until the point of divergence in the mid-20th century, bindings held the toe of a flexible, leather boot against the ski and allowed the heel to rise off the ski, typically with a form of strap or cable around the heel.
Stonemasonry or stonecraft is the creation of buildings, structures, and sculpture using stone as the primary material. Stonemasonry is the craft of shaping and arranging stones, often together with mortar and even the ancient lime mortar, to wall or cover formed structures.
Edward Leedskalnin was a Latvian immigrant to the United States and self-taught engineer who single-handedly built the Coral Castle in Florida, added to the National Register of Historic Places in 1984. Leedskalnin was also known for developing theories of magnetism.
Coral Castle is an oolite limestone structure created by the Latvian-American eccentric Edward Leedskalnin (1887–1951). It is located in unincorporated territory of Miami-Dade County, Florida, between the cities of Homestead and Leisure City. The structure comprises numerous large stones, each weighing several tons, sculpted into a variety of shapes, including slab walls, tables, chairs, a crescent moon, a water fountain and a sundial. It is currently a privately operated tourist attraction. Coral Castle is noted for legends surrounding its creation that claim it was built single-handedly by Leedskalnin using reverse magnetism or supernatural abilities to move and carve the stones.
A bottle opener is a device that enables the removal of metal bottle caps from glass bottles. More generally, it might be thought to include corkscrews used to remove cork or plastic stoppers from wine bottles.
Egyptian pyramid construction techniques are the controversial subject of many hypotheses. These techniques seem to have developed over time; later pyramids were not constructed in the same way as earlier ones. Most of the construction hypotheses are based on the belief that huge stones were carved from quarries with copper chisels, and these blocks were then dragged and lifted into position. Disagreements chiefly concern the methods used to move and place the stones.
This is a list of Stonehenge replicas and derivatives that seeks to collect all the non-ephemeral examples together. The fame of the prehistoric monument of Stonehenge in England has led to many efforts to recreate it, using a variety of different materials, around the world. Some have been carefully built as astronomically aligned models whilst others have been examples of artistic expression or tourist attractions.
Secret passages, also commonly referred to as hidden passages or secret tunnels, are hidden routes used for stealthy travel, escape, or movement of people and goods. They are sometimes inside buildings leading to secret rooms.
Pavel Pavel is a Czech engineer and experimental archaeologist best known for investigating how ancient civilizations transported heavy weights.
Stonehenge has been the subject of many theories about its origin, ranging from the academic worlds of archaeology to explanations from mythology and the paranormal.
The history of construction traces the changes in building tools, methods, techniques and systems used in the field of construction. It explains the evolution of how humans created shelter and other structures that comprises the entire built environment. It covers several fields including structural engineering, civil engineering, city growth and population growth, which are relatives to branches of technology, science, history, and architecture. The fields allow both modern and ancient construction to be analyzed, as well as the structures, building materials, and tools used.
The history of structural engineering dates back to at least 2700 BC when the step pyramid for Pharaoh Djoser was built by Imhotep, the first architect in history known by name. Pyramids were the most common major structures built by ancient civilizations because it is a structural form which is inherently stable and can be almost infinitely scaled.
Colin Peter Furze is a British YouTube personality, stuntman, inventor, and filmmaker from Stamford, Lincolnshire, England. Furze left school to become a plumber, a trade which he pursued until joining the Sky1 programme Gadget Geeks. Furze has used his plumbing and engineering experience to build many unconventional contraptions, including a hoverbike, a wall of death, a jet-powered motorcycle made with pulsejet engines, and the world's fastest mobility scooter, pram, and dodgem.
Anzac Memorial Park is a heritage-listed memorial and park at The Strand, Townsville CBD, City of Townsville, Queensland, Australia. It was first built in 1912. It is also known as The Strand Park and Townsville War Memorial. It was added to the Queensland Heritage Register on 21 October 1992.
The Waverley Reservoirs are four reservoirs, of which two are heritage-listed, located at Paul Street, Bondi Junction, Waverley Municipality, New South Wales, Australia. They were designed and built by the Public Works Department. The property is owned by Sydney Water, an agency of the Government of New South Wales. The properties were added to the New South Wales State Heritage Register on 18 November 1999 and 15 November 2002 respectively.
Massive-precut stone is a modern stonemasonry method of building with load-bearing stone. Precut stone is a DFMA construction method that uses large machine-cut dimension stone blocks with precisely defined dimensions to rapidly assemble buildings in which stone is used as a major or the sole load-bearing material.
References
- ↑ Mike Wendland (2004-10-04). "Web Site Shows Old Skills Moving Mountain Of Rock". Knight Ridder/Tribune Business News. Archived from the original on 2007-09-30. Retrieved 2007-02-15.
- ↑ "Daily Planet clip". YouTube . Archived from the original on 2016-11-30. Retrieved 2016-12-02.
- ↑ "same Daily Planet clip with moving pictures". Archived from the original on 2011-06-06. Retrieved 2011-06-03.
- ↑ "Simple building. Stonehenge Reloaded by only one white man!!!". YouTube . Archived from the original on 2021-12-14.
- ↑ "The Mysterious Coral Castle". Live Science .
