Parabolic mirrors capture and focus energy, and can distribute it outward. They are a type of paraboloid, used in reflecting telescopes and made with low-expansion glass. They can cause distortion, including coma. They are also used in optical illusion toys and to light the Olympic torch. A parabolic mirror is a specially shaped object designed […]
The phrase “all eyes on me” means everyone is looking at the speaker. It can be used as an imperative or descriptively, and is often used by leaders or entertainers. Some people are uncomfortable with the attention, while others use it to their advantage. The phrase “all eyes on me” means that everyone nearby is […]
Love haiku is a short poem expressing emotions for someone, associated with Valentine’s Day. Haiku is a form of Japanese poetry, with 17 syllables. English haiku has a 5-7-5 pattern and can convey greater meaning. A love haiku can have a romantic theme and a juxtaposition. Haiku purists argue that love haiku is not a […]
Psychological projection is when someone attributes their undesirable thoughts, feelings, and ideas to someone else. It can be a defense mechanism, but also destructive. It was developed by Dr. Sigmund Freud and can affect decision making and interpersonal relationships. Being aware of projection can be important in understanding others. Psychological projection is a form of […]
Colonial discourse is communication revolving around colonialism, revealing relationships between a colonial power and those it colonizes. It can occur on different levels, including literature and government policy. It is studied academically and can be used in conflict resolution, historical studies, and economics. Colonial discourse is generally defined as discourse or communication revolving around the […]
Streptococcus agalactiae is usually harmless but can cause serious infections in infants and immunocompromised adults. Symptoms include fever, fatigue, and shortness of breath. Early detection and IV antibiotics can lead to recovery in less than a month. Pregnant women are screened to prevent transmission to newborns. Streptococcus agalactiae is a very common strain of bacteria […]
A piping designer creates secure and functional piping systems using CAD software, applying engineering principles and industry standards. They work in various industries, including construction, industrial, municipal, and petroleum. They review project specs, determine pipe size and criteria, and create detailed drawings for installers. A piping designer designs piping or piping systems and related components. […]
Auction exchanges require floor specialists and stockbrokers to facilitate trades between buyers and sellers, with bid and sale prices determining the stock price. E-commerce platforms threaten the viability of auction-style trading, but it remains part of major US exchanges. Stocks that are bought and sold in financial markets must be traded on an exchange, which […]
Book appraisal assesses a book’s suitability for publication, research, and university libraries. Publishers evaluate books before publishing, while libraries have formal evaluations. Outdated information can result in removal from libraries. Reviews by professional critics can determine a book’s financial success. A book appraisal is an assessment of a book’s suitability for a particular purpose. Most […]
Paperback fiction is a softcover book with glue binding that contains a fictional story. Novels are often printed as paperbacks to keep costs down for the consumer. Traditionally, science fiction novels were published as hardcovers first, then as paperbacks. Modern publishing methods sometimes only use paperbacks. Mass-market paperbacks are smaller and less expensive, with lower […]
Average options, also known as Asian options, come in two forms: average rate and average strike. They are cash or physically settled and have put and call options. They are cheaper than American options but more complex to value. They allow the holder to purchase the security or investment they are attached to. An average […]
Fixers assist foreign journalists by arranging transportation, lodging, meals, and interviews. They use their local connections and language skills to help journalists get stories. However, working as a fixer can be dangerous due to reprisals from their communities. Journalists exchange information about good fixers and respect their input. Some fixers become journalists themselves. A fixer […]
Prologues and epilogues are literary techniques used in fiction writing to provide additional information to the reader before or after the story. They are more common in classical literature but some contemporary novels include them. A prologue provides background information while an epilogue provides insight into events that occurred after the story’s conclusion. They are […]
Capacitance is the ability to hold an electric charge, commonly found in electromagnetic fields. Capacitors are the main component that harnesses electric charge. Parasitic capacitance occurs when two capacitors are placed close together. Capacitance is measured in farads and was first conceived by James Clerk Maxwell in 1861. The ability to hold an electric charge […]
The Wada test helps surgeons identify areas of the brain responsible for language and memory before epilepsy surgery. An anesthetic is injected into one of two carotid arteries to put one hemisphere of the brain to sleep at a time, and the patient’s response to speech and ability to recall details are observed. The test […]
Sports statisticians analyze data to improve team performance, predict outcomes, and identify weaknesses. They work with teams, athletes, leagues, and betting organizations to provide support and make informed decisions. They may also assist in cheating investigations. A sports statistician performs analysis of teams, leagues and individual athletes. This information can be useful for activities such […]
Pink-collar jobs are traditionally reserved for women and are typically low-paying, with little prestige. Women have historically earned less than men, and many continue to work in industries considered primarily “women only.” However, the line between pink-collar and standard office positions has blurred, and it is no longer legal to advertise a position that only […]
Cavitation occurs when bubbles form and implode in pump systems or around propellers due to a combination of temperature and pressure constraints. This causes physical damage to parts of the pump or propeller and can create a loud rocking noise. There are two types of cavitation: classical suction and exhaust cavitation. Both are caused by […]
Hepatocellular jaundice is caused by a dysfunctional liver that cannot metabolize bilirubin, leading to a yellow tint in the skin, eyes, or mucous membranes. It can be caused by various diseases and conditions, including excessive alcohol consumption, hepatitis, and autoimmune diseases. Diagnosis involves blood tests, X-rays, and scans. Prevention includes reducing alcohol consumption, vaccinating against […]
Changes in aggregate demand can lead to higher unemployment rates, as companies may lay off workers during an economic downturn. This can further decrease demand for goods and services, leading to a reduction in overall demand and GDP. Monitoring this relationship can help officials identify trends and take steps to stabilize the economy. There is […]
