February (Feb.) is the second month of the year in the Julian and Gregorian calendars, coming between January and March, with 28 days in common years, and 29 days in leap years. In Sweden in 1732 the month had 30 days. This was to make the calendar match to the rest of the world. In 1930 and 1931, February had 30 days in the Soviet Union because the government changed all the months to be 30 days long. In 2020, February had 29 days in it because 2020 was a leap year. The name comes either from the Roman god Februus or else from "februa", the festivals of purification celebrated in Rome every fifteenth of this month. February begins on the same day of the week as March and November in common years, and August in leap years. February always ends on the same day of the week as October, and additionally, January in common years. The Month February is one of the last two months to be added to the calendar at the beginning of the year (the other is January). This is because in the original Roman calendar, the two months of winter, when not much would happen in agriculture, did not have names. February is the second month...

The Battles of Lexington and Concord were the first battles of the American Revolutionary War. The battles were between British soldiers, who wanted to take away the colonists' weapons and to arrest John Hancock and Samuel Adams on the way to Concord, and American colonists on April 19, 1775. They were fought in two towns outside Boston, Massachusetts: Lexington, Massachusetts and Concord, Massachusetts. The Patriots found out long before that could happen, and they safely evacuated the place. The first battle was fought on Lexington Green in Lexington. General Gage, along with 700 British soldiers, marched there to find and destroy hidden weapons. However, they were met by 70 minutemen. The battle lasted only a few minutes, but 8 minutemen died and 9 were hurt. Only 1 British soldier had been injured, and the soldiers then went to Concord to seize supplies like food, guns, and ammunition, which were stored by the militia. On the way back to Boston, they were ambushed by 400 minutemen. This time, Britain lost 250 soldiers, and only 90 Americans died. References

ChatGPT (short for Chat Generative Pre-trained Transformer) is a chatbot. It was launched by OpenAI in November 2022. The program is built on top of OpenAI's GPT-3.5 family of large language models. It is fine-tuned with both supervised and reinforcement learning techniques. ChatGPT was launched as a prototype on November 30, 2022. The website had more than one million users after five days. By January 2023, ChatGPT reached over 100 million users. It got attention for its responses and answers in many areas of knowledge. Its uneven accuracy was said to be a major drawback.As of December 2022, the chatbot was a "Research Preview" according to its website. While the chatbot is free to use, there have been announcements and rumours over a paid version called ChatGPT Professional. The website also warns users that the bot may give wrong information or have biased content. Features As a language model, ChatGPT has a number of features that allow it to perform various natural language processing tasks. Here are some of its key features: Language Understanding: ChatGPT has been trained on a large corpus...

Ant-Man and the Wasp: Quantumania is a 2023 American superhero movie. The movie features the characters Scott Lang / Ant-Man and Hope Pym / Wasp. The movie is produced by Marvel Studios and distributed by Walt Disney Studios Motion Pictures. Quantumania is the sequel to Ant-Man (2015) and Ant-Man and the Wasp (2018). It is also the 31st movie of the Marvel Cinematic Universe (MCU). The movie was directed by Peyton Reed. The screenplay for the movie was written by Jeff Loveness. The movie stars Paul Rudd as Scott Lang and Evangeline Lilly as Hope van Dyne. The cast also includes Jonathan Majors, Michelle Pfeiffer, Michael Douglas, Kathryn Newton, David Dastmalchian, William Jackson Harper, Katy O'Brian, and Bill Murray. Ant-Man and the Wasp: Quantumania was released in the United States on February 17, 2023. It is the first movie of Phase Five of the MCU. Cast Paul Rudd as Scott Lang / Ant-Man: An Avenger and former criminal with a suit that allows him to change his size while increasing in strength. Evangeline Lilly as Hope van Dyne / Wasp...

The rose is a type of flowering shrub. Its name comes from the Latin word Rosa.There are over three hundred species and tens of thousands of cultivars. The flowers of the rose grow in many different colors, from the well-known red rose or yellow rose and sometimes white or purple rose. Roses belong to the family of plants called Rosaceae. All roses were originally wild: they grew in North America, Europe, northwest Africa and many parts of Asia and Oceania. There are over 100 different species of roses. The wild rose species can be grown in gardens, but most garden roses are cultivars, which have been selected by people.Over hundreds of years they have been specially bred to produce a wide variety of growing habits and a broad range of colours from dark red to white including as well yellow and a bluish/lilac colour. Many roses have a strong, pleasant scent. Most roses have spines (incorrectly called thorns) on their stems. This is a common defense system in plants. Rose bushes are able to live in a wide variety of conditions. The fruit of the rose is called a hip. Some roses have decorative hips...

Windsor Castle is a castle in Windsor, Berkshire, England. It is the largest inhabited castle in the world. Queen Elizabeth II of the United Kingdom lived there for part of the year. The castle was built in the 11th century by William the Conqueror as a motte-and-bailey castle for the protection of England; it has been expanded and rebuilt many times. It was a military headquarters during the English Civil War. In 1992, there was a fire at the castle. Windsor Castle is near the River Thames.

Windsor Castle is a castle in Windsor, Berkshire, England. It is the largest inhabited castle in the world. Queen Elizabeth II of the United Kingdom lived there for part of the year. The castle was built in the 11th century by William the Conqueror as a motte-and-bailey castle for the protection of England; it has been expanded and rebuilt many times. It was a military headquarters during the English Civil War. In 1992, there was a fire at the castle. Windsor Castle is near the River Thames.

Electron cloud is an informal way to describe an atomic orbital. The electron cloud is not really a thing. An electron cloud model is different from the older Bohr atomic model by Niels Bohr. Bohr talked about electrons orbiting the nucleus. Explaining the behavior of these electron "orbits" was a key issue in the development of quantum mechanics.The electron cloud model says that we cannot know exactly where an electron is at any given time, but the electrons are more likely to be in specific areas. These areas are specified by orbitals. The orbitals are specified by shells and sub-orbitals. In the Bohr model, electrons are assigned to different shells. The shells, k,l,m,n,o,p,q, each represent different levels of energy, and are also called energy levels. The sub-orbitals; s,p,d,f, are regions where it will be more likely to find electrons, and can each hold a different number of electrons. the s,p,d,f orbitals are all shaped differently. This can be proven by the repeating patterns of chemical properties in the periodic table. Using quantum mechanics, chemists can use the electron cloud model to assign electrons to different atomic orbitals. Atomic orbitals...