What’s Styrofoam?

Styrofoam beads are used for beanbag stuffing and packing peanuts, but are not easily recyclable. Solid polystyrene is a common plastic used in various products, including beanbag chairs. Contact local recycling facilities for disposal options. Styrofoam is a trademarked brand of extruded polystyrene foam insulation. Styrofoam beads are the tiny bits of expanded polystyrene that […]

What’s limestone?

Limestone is a common sedimentary rock used in construction, cement production, and animal feed. It is formed by the slow deposition of sediments and contains calcium carbonate and other mineral impurities that alter its texture and color. Limestone also includes excellent examples of fossil organisms for paleontologists to study. Limestone is a type of sedimentary […]

What’s patellar bursitis?

Patellar bursitis, also known as maid’s knee, is an inflammatory condition that affects the kneecap and can cause pain and inflammation. Treatment involves anti-inflammatory medication and physical therapy, and severe cases may require surgery. Repeated pressure on the kneecap or direct impact injuries can contribute to the development of the condition. Diagnosis involves physical examination […]

What’s a tenant farmer?

Tenant farming is when a farmer rents or leases land from a landowner. It can be beneficial to both parties when organized fairly. However, historically, it was often exploitative towards the farmer. Over time, the arrangement has become fairer and tenant laws have been passed to protect tenants. In some areas, tenant farming remains risky […]

What’s piston displacement?

Engine displacement, or piston displacement, is the volume moved by an engine’s pistons in one revolution. It’s directly proportional to an engine’s power and is calculated based on the number of cylinders, bore, and stroke. The larger the bore and stroke, the greater the displacement and horsepower. However, variable displacement engines have become more prevalent, […]

What’s a Branch Circuit?

A circuit connects a power source to fuses, switches, and a load, with branch circuits running from a circuit breaker panel to devices in a building. Branch circuits are classified as generic, appliance, or individual circuits. They provide power to electrical devices and are classified by their current carrying capacity and the type of devices […]

What’s anodized paint?

Anodized paint is a misnomer as anodizing can only be done on metal surfaces. Anodizing creates a corrosion-resistant layer and can add color through dyeing. Anodized paint only gives the appearance of anodizing and does not have its properties. Anodized paint is a bit of a misleading term. Regular paint is never anodized, but some […]

What’s an optical coupler?

Optical coupling connects devices using light waves. Optocouplers allow fiber optic cables to connect and distribute information in computer networks. Different types of optocouplers are used for special tasks, such as the US government’s mirrored prism design for Internet control. Some electronic devices use internal closed optical coupling systems for faster reaction rates. Optical coupling […]

What’s an extractive industry?

Extractive industries use non-renewable resources in an unsustainable and environmentally harmful way. Mining, crude oil, and natural gas are examples. Forestry is not extractive. Environmental damage and depletion of resources are concerns, as well as the need for sustainable alternatives. An extractive industry is one that consumes or uses natural raw materials in an unsustainable […]

What’s a fetal Doppler for home use?

Home fetal Doppler monitors allow expectant parents to listen to their baby’s heartbeat between doctor’s appointments. They are easy to use, non-invasive, and come in a variety of models with varying prices. They are not meant to replace prenatal care. Doctors have used Doppler fetal monitors since the early 1960s as an integral part of […]

Culture & consumer behavior: what’s the link?

Culture greatly influences consumer behavior, with factors such as religion impacting what products people are willing to buy. Understanding cultural norms can help companies tailor marketing campaigns and products to increase sales and loyalty. Many marketing experts understand that there is a clear connection between culture and consumer behavior. Culture has the ability to greatly […]

What’s a building envelope?

A building envelope separates interior spaces from the exterior and can be made of various materials. It protects against external elements, provides structural stability, and regulates temperature. Open or closed envelopes impact energy efficiency and air quality, requiring a balance between the two. Homeowners can strengthen a loose building or add ventilation to a tight […]

What’s an assembly line?

Assembly lines use interchangeable parts to create a finished product. They were developed in the mid-nineteenth century, but Henry Ford revolutionized the process in 1908 with his production line for automobiles. Assembly lines are efficient and cost-effective, but can be dangerous for workers and can be impacted by production issues. Modern manufacturers work to prevent […]

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