Penuche is a sweet confection made by heating sugar and milk or cream to the soft ball stage, whipping it until smooth and creamy, and adding nuts. It can be used as icing or cookie and is popular in the American South and Northeast, especially during holidays. Penuche can be difficult to make and requires […]
A hollow drill is a mechanical device used for drilling holes through various objects and surfaces. It can be made from different types of strong metal and come in a variety of shapes and sizes. Hollow bits are used in many industries and for a variety of purposes, including drilling holes in paper, rocks, and […]
A ground line is an electrical wire that provides a low resistance path to earth, protecting people and appliances from electric shock. It acts as a backup for the neutral wire and can be used as part of a lightning protection system. A ground line is an electrical wire used to reduce the risk of […]
Material removal is the process of removing excess material from a part using methods such as milling, drilling, grinding, backfilling, and planing. It is used in manufacturing for metal and woodworking projects to shape raw materials to match the design of the finished product. Material removal can be used in DIY projects at home or […]
Retreat mining is a coal mining technique that recovers more material and maximizes profits by removing support pillars. This can cause roof falls and coal explosions, making mining dangerous. The US Mine Safety and Health Administration regulates mining operations and ongoing research aims to improve safety. The Crandall Canyon Mine collapse in 2007 resulted in […]
Welding is a dangerous job due to risks such as asphyxiation, skin and eye damage, fires, and long-term effects of fumes. Sparks and arcs pose a risk, but equipment can reduce exposure. Carcinogenic or toxic chemicals are the leading cause of health problems, and welding produces dangerous gases. Proper equipment, safe materials, and common sense […]
Paper recycling is an efficient way to reduce waste and conserve resources. Almost all paper can be recycled, and the process involves sorting, removing contaminants, pulping, and molding. Recycled paper is mixed with virgin pulp to increase durability and can be recycled four to six times. Sludge is the residue of paper recycling and can […]
Hemp is illegal in the US due to its THC content, but refined products can be imported. Hemp has many non-recreational uses, such as strong fibers for rope and paper, and nutritious seeds. American farmers are pushing to overturn the ban to grow hemp locally for cheaper fiber production. Hemp, or cannabis, is a plant […]
Microwelding is the precise placement of connective metals and energy to form welds less than 100 micrometres wide. Micro resistance welding is used to join flat sheets, micro flash welding is for small butt joints, micro arc welding is for any shape, and laser microwelding is used in automated industrial environments. The term “microwelding” refers […]
Glass wool is a fibrous material used for insulation and air filters. It is made by spinning glass into fibers and can be cut into mats or blankets. It is available at home improvement stores and can be used for sound insulation or in aircraft. Glass wool is strong and resistant but can cause irritation […]
Glass tinting reduces light or radiation passage and can be used for glare reduction, heat reduction, privacy, and decoration. It can be done by adding chemicals during creation or adding film later. Tinting reduces UV radiation and heat, and window film is used for privacy. Tinted windows pay for themselves in energy savings. Auto tinting […]
Abrasive blasting uses high-pressure equipment to spray abrasive materials onto surfaces for cleaning or polishing. The abrasive material can include glass, sand, water, or compressed air, depending on the application and local regulations. The process is used for cleaning, paint removal, and texturizing surfaces. Abrasive blasting equipment can range from large machines to small portable […]
Thermoplastic injection molding uses heated plastic resin injected into a mold to create parts for various industries. Molds can be made of steel or aluminum and can be pre-cut using sophisticated tooling procedures. Manufacturers can experiment with variations in the process to optimize their results. Thermoplastic injection molding is a process used in manufacturing to […]
Sweatshops exploit labor laws and employ mostly young girls. Sweatshop-free clothes aim to eradicate these conditions and promote fair wages and benefits. Student activists at UC pledge to purchase only non-exploitation clothing. Many large companies have been boycotted for using sweatshops. Public can lobby for exploitation-free clothing through organizations like nosweatapparel.com and behindthelabel.org. Sweat factories […]
The Alps are a famous mountain range in Western Europe, stretching approximately 500 miles long and 100 miles wide. They offer winter sports and vacation spots, and have a rich history dating back to the Oligocene and Miocene. The highest peak is Mont Blanc, and the Alps are home to unique plant and animal species. […]
Arteriovenous malformations (AVMs) are a birth defect that can cause blood to flow directly into veins without reaching brain tissue, potentially leading to bleeding and other complications. The causes and risk factors are unclear, and most small AVMs cause no health problems. Treatment options include preventative surgery or endovascular embolization, while emergency surgery is necessary […]
Erosion control is important in construction and landscaping to prevent environmental features from being washed away. Techniques range from drainage systems to planting plants with spreading roots and using fibrous mats or retaining walls. A combination of methods is often necessary. Erosion control is a process commonly employed in construction, landscaping, and other fields to […]
Sotdae, tall posts with carved animals, are objects of worship and boundary markers in rural Korea. They ward off evil spirits and bring good luck, and are used to commemorate major life events. The origins of sotdae date back to the Bronze Age, and their artistic level varies. Jangseung, human effigies, serve a similar purpose. […]
Chronic inflammatory demyelinating polyneuropathy (CIDP) is a rare neurological disorder that causes damage to nerves in the peripheral nervous system. It is thought to occur when the immune system attacks the myelin sheath surrounding axons on neurons. Symptoms include muscle weakness, abnormal sensation, pain, and tingling. Treatment involves taming the immune system with corticosteroids, immunosuppressants, […]
A subsidiary company is a company controlled or owned by another company, called the parent company. This relationship differs from a merger, as a subsidiary can be created rather than purchased. Forming a subsidiary can be beneficial for multinational corporations wanting to work within specific legal parameters. In legal terms, a company is a group […]
