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Topic Review
Intelligent Forklift Cargo Precision Transfer System
Labor shortage and increasing labor cost are serious problems in today’s society. With the concept of Industry 5.0, it is imperative to promote industrial transformation and accelerate the automation and intelligent development of equipment in order to reduce the pressure brought by the rapid rise in labor costs, so more and more intelligent equipment is used in factories and storage environments. Nowadays, the status of logistics equipment is increasing, and forklifts, as the main force of logistics handling equipment, have been widely used in many fields, such as factories, ports, and warehouses. However, as the requirements of the operating environment continue to increase, the handling equipment can no longer be operated by human hands, especially in special environments, such as high temperature, and hazardous and explosive environments. Along with the development of driverless technology, forklifts are also slowly approaching advanced technologies, such as intelligent identification, wireless transmission, and autonomous navigation and positioning. Intelligent forklifts can enhance the compound ability of forklifts, improve the overall operation level of forklifts, and gradually add more added value. Therefore, intelligent forklifts are the main development direction of forklifts in the future.
  • 504
  • 21 Nov 2022
Topic Review
Gel Blasters
Gel blasters, also known as gel guns, gel shooters, gel markers, hydro markers, hydro blasters, water bead blasters or gelsoft, are toy guns similar in design to airsoft guns, but the projectiles they shoot are 6–8 mm (0.24–0.31 in) superabsorbent polymer water beads (most commonly sodium polyacrylate, colloquially called water beads, hydrogel balls, gel balls, water bullets or simply gels), which are often sold commercially as moisture retainers for gardening and pot/vase floriculture. Gel blasters are often played in CQB-style shooting skirmishes similar to paintball by squads or local clubs of enthusiasts often referred to as "gelballers", but follow an airsoft-like honor-based gameplay umpiring system. MilSim games involving players wearing camouflage and dump pouches are very popular, while "SpeedGel" players are more casual with team jerseys and often wear paintball masks. In addition to safety gear such as eye protections, the sport is heavily regulated on the field and players must adhere to safety rules.
  • 2.0K
  • 20 Nov 2022
Topic Review
Eurostar
Eurostar is an international high-speed rail service connecting the United Kingdom with France , Belgium and the Netherlands. Most Eurostar trains travel through the Channel Tunnel between the United Kingdom and France, owned and operated separately by Getlink. The London terminus is London St Pancras International; the other British calling points are Ebbsfleet International and Ashford International in Kent. Intermediate calling points in France are Calais-Fréthun and Lille-Europe. Trains to Paris terminate at Gare du Nord. Trains to Belgium and the Netherlands serve Brussels-South and Rotterdam Centraal, before terminating at Amsterdam Centraal. Additionally, in France there are direct services from London to Marne-la-Vallée–Chessy (Disneyland Paris) and seasonal direct services to southern France (Lyon, Avignon and Marseille) in summer, and to the French Alps in winter. The service is operated by 11 Class 373/1 trainsets, each with 18 coaches, and 17 Class 374 trainsets, each with 16 coaches. The trains run at up to 320 kilometers per hour (200 mph) on high-speed lines. The LGV Nord high-speed line in France opened before Eurostar services began in 1994, and newer lines enabling faster journeys were added later: HSL 1 in Belgium and High Speed 1 in south-east England. The French and Belgian parts of the network are shared with Paris–Brussels Thalys services and TGV trains. Eurostar is operated by Eurostar International Limited (EIL), jointly owned by SNCF, the national railway of France (55%), investment firms (40%), and the National Railway Company of Belgium (5%).
  • 2.9K
  • 20 Nov 2022
Topic Review
OPALS
Optical PAyload for Lasercomm Science (OPALS) is a spacecraft communication instrument developed at the Jet Propulsion Laboratory that was tested on the International Space Station (ISS) from 18 April 2014 to 17 July 2014 to demonstrate the technology for laser communications systems between spacecraft and ground stations. The purpose of OPALS is to do research into replacing traditional radio-frequency (RF) communications which are currently used on spacecraft. This will allow spacecraft to increase the rate at which data is downlinked by 10 to 100 times. It also will have less error than RF communication. It launched from Cape Canaveral Air Force Station to the ISS on 18 April 2014 on a Falcon 9 SpaceX CRS-3 Dragon capsule resupply.
  • 707
  • 20 Nov 2022
Topic Review
Fiat CR.42
The Fiat CR.42 Falco ("Falcon", plural: Falchi) was a single-seat sesquiplane fighter developed and produced by Italian aircraft manufacturer Fiat Aviazione. It served primarily in Italy's Regia Aeronautica both before and during the Second World War. The CR.42 was an evolutionary design of Fiat’s earlier CR.32 fighter, featuring a more powerful supercharged Fiat A.74R1C.38 air-cooled radial engine and aerodynamic improvements to its relatively clean exterior surfaces. The aircraft proved to be relatively agile in flight, a factor that had been attributed to its very low wing loading and a sometimes decisive tactical advantage. RAF Intelligence praised its exceptional maneuverability, further noting that "the plane was immensely strong", though it was technically outclassed by faster, more heavily armed monoplanes. While primarily used as a fighter, various other roles were adopted for some variants of the type, such as the CR.42CN dedicated night fighter model, the CR.42AS ground attack aircraft, and the CR.42B Biposto twin-seat trainer aircraft. During May 1939, the CR.42 entered service with the Regia Aeronautica; it was the last of the Fiat biplane fighters to enter front line service. By 10 June 1940, the date when Italy entered the Second World War, roughly 300 of the type had been delivered, which were initially tasked with defending Italy's cities and key military installations. By the end of 1940, the Falco had been involved in combat on various fronts, including the Battle of France, the Battle of Britain, Malta, North Africa, and Greece. By the end of the war, Italian CR.42s had been used on further fronts, including Iraq, the Eastern Front and the Italian mainland. Following the signing of the Italian armistice with the Allies on 8 September 1943, the type was primarily relegated to use as a trainer by the Italian Co-Belligerent Air Force , while some Italian CR.42s were seized by the Germans and used by the Luftwaffe to perform ground attack missions. In addition to its service in Italy, the CR.42 was produced and entered service in smaller numbers with the air forces of several nations, including Belgium, Sweden and Hungary. By the end of production, in excess of 1,800 CR.42s has been constructed, making it the most numerous Italian aircraft to be used during the Second World War. Aviation author Przemyslaw Skulski has claimed that the fighter had performed at its best during its service with the Hungarian Air Force, specifically during its deployment against Soviet forces on the Eastern Front of the war, where it reportedly achieved a kill to loss ratio of 12 to 1.
  • 1.8K
  • 18 Nov 2022
Topic Review
Resilience in the Built Environment
Resilience in the Built Environment is the built environment's capability to keep adapting to existing and emerging threats such as severe wind storms or earthquakes and creating robustness and redundancy in building design. New implications of changing conditions on the efficiency of different approaches to design and planning can be addressed in the following term.
  • 727
  • 18 Nov 2022
Topic Review
Bilayer Graphene
Bilayer graphene is a material consisting of two layers of graphene. One of the first reports of bilayer graphene was in the seminal 2004 Science paper by Geim and colleagues, in which they described devices "which contained just one, two, or three atomic layers"
  • 620
  • 18 Nov 2022
Topic Review
Tensor Processing Unit
A tensor processing unit (TPU) is an AI accelerator application-specific integrated circuit (ASIC) developed by Google specifically for neural network machine learning, particularly using Google's own TensorFlow software. Google began using TPUs internally in 2015, and in 2018 made them available for third party use, both as part of its cloud infrastructure and by offering a smaller version of the chip for sale.
  • 917
  • 18 Nov 2022
Topic Review
List of Submarines of Submarine Force Command
The Argentine Submarine Force (Spanish: Comando de la Fuerza de Submarinos, COFS) is the submarine service branch of the Argentine Navy. Argentine submarines have traditionally been named after the provinces of the Republic whose name begins with the letter 'S'; they are home based at Mar del Plata naval base. COFS members have the same rank insignia and titles as the rest of the Navy. As of 2010, the elite group Agrupación de Buzos Tácticos is under the direct command of the submarine force. After the disappearance of ARA San Juan in November 2017, one TR-1700 (ARA Santa Cruz (S-41)) and one Type 209 (ARA Salta (S-31)) submarines are in service. Two small surface vessels, ARA Punta Mogotes (P-65) and ARA Luisito (Q-51), are also part of the COFS and used in the training role. Like the rest of the Argentine armed services, the submarine force has been struggling to maintain its readiness due to budget constraints affecting equipment maintenance and personnel training. In 2012, the three boats then in service had maintenance difficulties and between them spent just 19 hours submerged.
  • 455
  • 18 Nov 2022
Topic Review
ATI Video Card Suffixes
ATI video cards can have one of multiple suffixes attached to their name indicating relative level of performance, the use of suffixes was abandoned with the release of Radeon HD 3000 series products, the last two digits of the model number was then used to indicate relative performance of the products, except for the "X2" suffix indicating dual-GPU solutions, such that the product has two GPUs on one PCB. Below is the listing of the suffixes used in previous generations of products, in order from least powerful (at the top) to the most powerful. (at the bottom) Not all suffixes will be found on a particular line of cards.
  • 487
  • 18 Nov 2022
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