The "Pole of Cold" refers to a location that experiences the lowest recorded temperatures on Earth. The term is most commonly associated with the region around the village of Oymyakon in Siberia, Russia, which holds the record for the lowest officially recorded temperature in the Northern Hemisphere: -67.7°C (-89.9°F) recorded in 1933.
Harmattan is a dry and dusty trade wind that blows from the Sahara Desert over the West African region, typically occurring between late November and mid-March. It is characterized by its lower humidity and cooler temperatures, often bringing significant drops in temperature during the night. The winds carry fine dust particles, which can reduce visibility, affect air quality, and contribute to health issues, particularly for people with respiratory problems.
In astrophysics, the "frost line" (also known as the "snow line") refers to a specific region in a protoplanetary disk, located at a certain distance from the central star, where temperatures drop low enough for volatile compounds—such as water, ammonia, and methane—to condense into solid ice. Inside this line, the temperatures are too high for these materials to freeze, while beyond this line, they can exist in solid form.
Flash freezing is a process in which food products are rapidly frozen at extremely low temperatures, typically using specialized equipment. The objective of flash freezing is to preserve the texture, flavor, and nutritional value of the food while preventing the formation of large ice crystals that can occur during slower freezing methods. The rapid freezing process limits the size of ice crystals that form within the food, leading to less cellular damage.
A cut-off low is a meteorological term that refers to a low-pressure system that has detached or "cut off" from the prevailing mid-latitude westerlies, typically becoming isolated from the main jet stream. This phenomenon often occurs when a low-pressure area, which has developed typically in the mid or upper levels of the atmosphere, becomes surrounded by high pressure on all sides.
A cold wave is a weather phenomenon characterized by a significant drop in temperature over a relatively short period of time, typically lasting for several days. It often involves cold air masses that move into an area, resulting in temperatures that are unusually low for that region and time of year. Cold waves can lead to various impacts, such as: 1. **Health Risks**: Prolonged exposure to cold temperatures can result in hypothermia, frostbite, and other cold-related illnesses.
Cold injury refers to a range of medical conditions caused by exposure to cold temperatures, which can lead to damage to skin and underlying tissues. The most common types of cold injuries include: 1. **Frostbite**: This occurs when skin and underlying tissues freeze. It typically affects extremities like fingers, toes, ears, and the nose.
A cold front is a boundary that forms when a cooler air mass moves in and displaces a warmer air mass. This movement is associated with a drop in temperature and can lead to various weather changes, including precipitation, changes in wind direction, and often, stormy conditions. ### Characteristics of Cold Fronts: 1. **Temperature Drop**: As the cold front moves in, temperatures typically decrease as the cooler air mass replaces the warmer air.
A "cold drop" can refer to several concepts depending on the context: 1. **Meteorology:** In meteorological terms, a cold drop often refers to a sudden drop in temperature due to the arrival of a cold front. This can lead to rapid changes in weather conditions, including thunderstorms, wind shifts, and decreased humidity.
Chattering teeth typically refer to a playful or humorous depiction of teeth that may shake or clatter together, often associated with cold temperatures, fear, or excitement. In popular culture, chattering teeth are often illustrated in cartoons or toys, such as the famous "chattering teeth" toy that resembles a pair of dentures that move rhythmically when activated.
A "Blue Norther" is a specific type of cold front that occurs in the central and southern United States, particularly in the Great Plains and Texas regions. This phenomenon is characterized by a dramatic drop in temperature and often brings strong winds and clear, blue skies following the frontal passage. The term "Blue Norther" typically refers to the sudden onset of a chilly air mass that sweeps in, sometimes associated with precipitation or thunderstorms before the temperature plummets.
A backdoor cold front is a meteorological term that describes a type of cold front that moves into an area from the east or northeast, rather than the typical west or northwest direction. This phenomenon is often associated with coastal regions, especially in the northeastern United States. The term "backdoor" implies that the cold air is intruding into a region from an unexpected direction. This can lead to a sudden drop in temperatures, especially in areas that were experiencing warmer conditions prior to the front's arrival.
Ice is the solid form of water, which occurs when water freezes at temperatures below 0 degrees Celsius (32 degrees Fahrenheit) under standard atmospheric conditions. It has a crystalline structure, which makes it less dense than liquid water, allowing ice to float. Ice can be found in various forms in nature, such as: 1. **Glaciers and Ice Caps**: Large masses of ice found in polar regions and high mountains.
Garde manger is a French term that translates to "keeper of the food" and refers to a specific area in a professional kitchen responsible for the preparation and presentation of cold dishes. This includes a variety of items such as salads, charcuterie, pâtés, terrines, and canapés, as well as garnishes and cold sauces.
There are many fictional characters across various media who possess ice or cold abilities. Here are some notable ones: 1. **Sub-Zero** (Mortal Kombat) - A ninja with the power to manipulate ice and cold, able to freeze opponents and create ice weapons. 2. **Iceman** (X-Men) - A mutant who can generate and manipulate ice, allowing him to create ice slides, shields, and freeze objects.
Cryobiology is a scientific field that studies the effects of low temperatures on living organisms, cells, and biological systems. It encompasses various aspects of biology, medicine, and biophysics to understand how organisms cope with cold environments and how low temperatures can preserve biological materials. Key areas of focus in cryobiology include: 1. **Cryopreservation**: This is the process of preserving cells, tissues, or organs by cooling them to sub-zero temperatures to halt metabolic processes and prevent cellular damage.
Cold waves refer to a severe drop in temperature over a wide area in a short period of time. They are characterized by extreme cold conditions that can lead to significant impacts on health, agriculture, and infrastructure. Cold waves are typically defined by a combination of low temperatures and a sustained period of cold weather, often accompanied by strong winds, which can exacerbate the chilling effects.
Cold foods are items that are served at low temperatures, typically below room temperature, and can include a variety of dishes and ingredients. Here are some examples of cold foods: 1. **Salads**: Various types, including green salads, pasta salads, and grain salads, often served chilled. 2. **Cold Cuts**: Thinly sliced meats, such as ham, turkey, or salami, typically served on sandwiches or platters.
"Cold drinks" typically refer to a variety of chilled beverages that can include soft drinks, juices, bottled water, iced tea, iced coffee, and other refreshing beverages served at low temperatures. These drinks are often enjoyed for their refreshing qualities, especially in warm weather. In many places, the term may also encompass alcoholic beverages served cold, such as beer or cocktails with ice.
Cold-weather warfare refers to military operations conducted in extreme cold environments, characterized by low temperatures, snow, ice, and harsh weather conditions. This type of warfare requires specialized tactics, equipment, and training for military personnel to effectively operate and sustain combat readiness in such challenging conditions. Key aspects of cold-weather warfare include: 1. **Climate Adaptation**: Troops must be trained to handle physical challenges imposed by cold weather, such as frostbite, hypothermia, and reduced physical performance.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 5. . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact