Modern dome tents made from rip-stop nylon are easy to pitch, but require tent stakes to prevent them from rolling away. Different terrains require different tent stake designs, such as pointed stakes for rocky terrain and angled iron stakes for firm to medium ground. Tent stakes are affordable and available wherever camping gear is sold. […]
Post-and-lintel is an ancient construction technique using two vertical mullions and a horizontal lintel. It was used in Stonehenge and ancient Greek and Roman temples. Arches and trusses were later developed to increase load capacity. Laminated timber is a modern improvement. Stone has good compressive strength but is rarely used in modern construction due to […]
A whisker post is a type of mast used to support the jib on sailboats. It is typically made of wood or metal and is used to secure the sails in position. The whisker pole is the lightest of all the masts and is used to connect the main mast to the forward section of […]
Terminal blocks are connectors often used in electronic equipment for testing current flows. They come in different types, but all serve the same purpose. Basic binding posts are composed of a threaded metal rod and cap, color-coded for positive, negative, or grounding charges. Wires are wrapped around the post and secured with a nut for […]
Terminal blocks are connectors used in electronic equipment for testing current flows. They come in different types, but all serve the same purpose. Basic binding posts are composed of a threaded metal rod and a cap, color-coded to indicate charge type. Wires are wrapped around the post and held in place with a nut for […]
A lathe’s tool holder securely holds cutting tools during machining operations and can house single or multiple tools. It consists of a base with slots or holes for tool bits and can be static or rotating. Tool clamps can be added for versatility. The post is bolted to the lathe’s compound holder and allows for […]
India has the largest number of post offices in the world, with about 55,015 as of 2009, almost three times that of China. The postal network covers 90% of rural areas and has expanded over seven times its original size since 1947. India is the country that has the largest number of post offices, with […]
A king post is a part of a truss system used in construction to support roof elements. It has a decorative function and was evident in medieval Europe in churches and barns. King posts help distribute weight and prevent sagging, but have limitations for long spans. They are also used in bridge design and aviation. […]
King post is a part of a truss system used in construction to support roof elements. It was evident in medieval Europe and adopted a decorative function. It helps distribute the weight of the ridge beam and prevent sagging of the tie beam. King posts can also be used in bridge design and aviation. A […]
French postal workers are checking on elderly customers weekly for a monthly fee of €19.90. The service, called Veiller Sur Mes Parents, started in 2017 and includes delivering medicines, books, and hot meals. The convergence of two major social changes in France resulted in a single solution. The first concerns the country’s 73,000 postal workers […]
A post indicator valve (PIV) is used to control the water supply to fire protection systems in large buildings. There are three types: ground, pedestal, and wall, each suitable for different installations. The valve actuator and status indicator are placed on a prominent post for easy access. A post indicator valve (PIV) is a valve […]
A two post hoist is a lifting device with two sets of lift arms connected to two tower structures. They are commonly used in the automotive industry and come in hydraulic, electric, or electro-hydraulic configurations. They can be symmetrical or asymmetrical, and often have equalizer cables to ensure even lifting. A two post hoist is […]
Post-traumatic epilepsy is a condition where seizures occur regularly after a head injury, with risk factors including skull fractures, severe concussion, and intracranial hematoma. The cause is still being studied, but brain imaging can help determine treatment. Seizures can be temporary or permanent, and can occur years after the initial injury. Medical intervention can help […]
Mobile post offices are mail handling and sorting facilities on wheels or wings that can be used for temporary mail stations after natural disasters or events. They date back to the 1800s and significantly reduce delivery time, but many nations have eliminated routine mobile mail handling. However, they can still be efficient in highly rural […]
A trim pole is a long hand pole used by canoeists and boaters to propel the boat forward in shallow water or against the current. It is made of wood with a metal cap on the end to prevent splitting and is used by the person sitting in the stern. A quantum pole is similar […]
The US Post Office uses mules to deliver mail and supplies to the Havasupai Indians at the bottom of the Grand Canyon. Daily deliveries weigh 12.87 pounds and a single mule can carry 1814.37 pounds. Other interesting USPS facts are also mentioned. The United States Post Office does indeed use mules to deliver items to […]
Mongolian spots are blue skin discolorations that appear in dark-skinned infants and children due to a buildup of pigmentation. They pose no health risk and tend to fade as a child grows, but can be mistaken for child abuse. They are harmless and disappear before puberty. A Mongolian spot is a patch of skin discoloration, […]
A gin pole is a lifting device consisting of a single pole supported by guy wires and operated via pulleys. It is used to erect structures and lift heavy objects, but its capacity is limited by the pole size and hardware used. A gin pole is a simple lifting device consisting of a single pole […]
A jack post is a steel post used to support a structure, typically placed under a beam in a basement or ground floor. It is adjusted using a threaded rod or pin and hole system and must be placed on a cement or concrete floor. Lifting the building slightly before placing the post is advisable, […]
The Saturday Evening Post, founded in 1728, was made famous by Cyrus Curtis and became an award-winning publication featuring America’s best writers and artists. Norman Rockwell’s association with the magazine is well-known. After a libel case in 1967, it was revived in 1971 as a bimonthly publication focusing on public health issues. The Saturday Evening […]
