Commander Keen is a side-scrolling platform video game developed by id Software. The first of the series, "Commander Keen in Invasion of the Vorticons," was released on December 1990. This series is notable for its pioneering role in the popularity of the PC gaming industry during the early 90s.
The decline and fall of the Western Roman Empire highlight the vulnerabilities of great powers to external invasion and internal decay, serving as a cautionary tale of how mighty civilizations can succumb to changing worlds and leave enduring cultural legacies.
Doom is a groundbreaking first-person shooter where players battle demonic forces on Mars, navigating through labyrinthine levels filled with intense combat and visceral action to save humanity from annihilation.
Andrea Amati founded the Cremona school of violin making, innovating with a distinct design that set the groundwork for his sons and grandson Nicolo, who elevated the craft to its zenith, influencing future generations including Stradivari.
Pruning is an important horticultural practice involving various tools and techniques to remove diseased or unwanted plant parts, shape plants, and enhance their health, growth, and productivity, ranging from aesthetic shaping through topiary to improving fruit yield and disease management.
Numerology, an ancient mystical science linking numbers to the universe's cosmic order, has profoundly influenced philosophical thought, spiritual beliefs, and personal insights through history, from Pythagoras's theory of the music of the spheres to the Kabbalistic gematria.
Epistemology is the branch of philosophy that examines the nature, origins, and limits of human knowledge, exploring how we understand and perceive the world around us.
Psychology, because of its diverse origins, split into many branches. For instance, the branches of analytical psychology, which attempt to deal with behavioural disorders, grew up as a side-branch of medicine at a time when mental disturbance was a mystery.
Hypnotism is a condition of artificially induced sleep, or trance, in which a patient is rendered more susceptible to suggestion.
Esperanto is an artificial or created language, developed in the 19th century by Dr. Ludwig L. Zamenhof of Poland. He hoped to eliminate antagonisms among nations by having people adopt a common language for such purposes as commerce, shortwave radio broadcasts and international gatherings.
Limestone caves enchant with their serene beauty, where the slow drip of water over eons has sculpted majestic stalagmites rising from the floor and delicate stalactites hanging from the ceiling, creating a timeless natural cathedral.
There may be as many as 1000 different names of cheese throughout the world, but many of them vary in name only and they all belong to about 20 groups varying from the very soft, freshly made cheese to the fully matured, strong-flavored hard cheese.
A ball and stick game resembling hockey, Hurling can be traced back to the 10th century. The game was known in Gaelic as ioman, to 'urge' or 'drive forward'. Inter-clan matches were played for centuries before the present form was established in 1884 when the Gaelic Athletic Association was founded.
The micrometer is a precision instrument crucial for measuring small distances and angles in engineering and scientific applications, known for its accuracy and reliability.
Kleptomaniacs steal things they do not need or cannot use. They do it without knowing why, and they do it habitually.
Exploring the Roman numeral system's basics, historical context, and tricky combinations, this article unveils the elegance, limitations, and enduring legacy of ancient numerical notation.
Bees are among the most useful of all insects. Honey bees produce the honey that we eat and beeswax which is used for making polishes and.candles. Far more important is the part played by bees in pollinating our crops.
Together with food, Man's greatest need is for water. When communities were established far from a water source it was necessary for water to be directed or carried to the homes; this was achieved by building an artificial channel, an aqueduct, to allow the water to flow from one place to another.
If you were to play in a rough football game, get into a fight, or take a tumble down a hill, you might emerge with sprains, strains, and bruises. What causes them, and what should be done about them?
Coffee is made from the roasted and ground berries, or beans, of the trees of the genus Coffea. Of more than 30 species, only three are important: Coffea arabica, Coffea robusta and Coffea liberica.
Vegetarianism is the practice of abstaining from flesh foods or from all foods of animal origin. Those who forgo all animal foods are called vegans, while those who eat eggs and dairy products are sometimes referred to as lacto-ovovegetarians. ...
Idea in psychology and philosophy, the thought of, or conscious reference to, something not present at the moment in sensation. For the psychologist an idea is a mental event with a character or its own. For the philosopher concerned with...
Hyperactive children are unusually active; find it difficult to stay with tasks, particularly written schoolwork; are impulsive; and are easily excited or upset. They often are more aggressive and demand more attention than does the average child....
A earl is the oldest English title of nobility, ranked in the modern peerage between marquess and viscount. The dignity is equivalent to the continental European "count." The wife of an earl bears the title of countess. The word "earl" is related...
A pen is a pointed instrument used for writing in ink. The most common pens today are fountain pens and ball-point pens. In addition, there are many specialized pens for drawing. In ancient times, reed pens were used for writing on papyrus.
Chiromancy, or palmistry, is a form of divination lacking scientific validation, relying on palm lines and shapes to predict futures and assess traits, with cultural significance but no empirical proof of accuracy.
Lycanthropy is a widespread folk belief that a human being may by magic take on the form and traits of a dangerous animal.
Burlesque humorously parodies serious works through incongruity. In mid-19th century U.S., "burlesque" evolved into a music hall entertainment distinct from classic forms.
Fireworks, those dazzling spectacles that light up the night sky, have captivated humans for centuries. Their brilliant colors, loud bangs, and intricate designs never fail to amaze. But how did fireworks come to be, and what's behind their spectacular displays?