The Roche limit is a critical concept in celestial mechanics, named after the French astronomer Édouard Roche who first described it in the 19th century. It represents the minimum distance at which a celestial body, held together only by its own gravity, can approach a larger body (like a planet or star) without being torn ... Read more
Saturn, the sixth planet from the Sun, has a large and diverse group of moons, with varying sizes, compositions, and orbits. As of now, Saturn has 82 confirmed moons, but this number could change as new discoveries are made and classifications are updated. The moons range from tiny moonlets less than 1 kilometer in diameter ... Read more
The Noakhali riots were a series of communal massacres, rapes, abductions, and forced conversions of Hindus to Islam, and looting and arson of Hindu properties, organized by the Muslim League and carried out by Muslim mobs in the districts of Noakhali and Tipperah (present-day Comilla) in the Chittagong Division of Bengal in British India, in ... Read more
Cosmic Microwave Background Radiation (CMBR) is a form of electromagnetic radiation filling the universe, almost uniformly, in every direction. Discovered accidentally in 1965 by Arno Penzias and Robert Wilson, the CMBR is a faint cosmic background radiation filling all space. It is a relic radiation from the Big Bang, dating back to the recombination epoch, ... Read more
The relationship between Vietnam and North Korea (officially the Democratic People’s Republic of Korea, DPRK) has a complex history, characterized by periods of both solidarity and distance. The relationship is rooted in their shared communist ideology and the historical support they provided to each other during times of conflict. The historical ties and occasional diplomatic ... Read more
The Giant Huntsman Spider (Heteropoda maxima) holds the title for the largest spider in the world by leg span. Discovered in a cave in Laos in 2001, this species has captivated both arachnologists and the public due to its impressive size and unique characteristics. The physical characteristics of the Giant Huntsman Spider, particularly its impressive ... Read more
A "block" refers to a large, rectangular building unit made from materials like concrete, clay, or composite materials. Blocks are commonly used as modular elements in masonry and construction projects for various applications, including structural walls, partition walls, retaining walls, and foundations. They are larger than traditional bricks, which allows for faster construction and coverage ... Read more
Curing is a crucial process in the construction industry, specifically in the context of concrete works. It refers to the maintenance of adequate moisture, temperature, and time conditions to allow concrete or cement-based materials to achieve their designed strength and durability. The curing process begins immediately after the concrete has been placed and finished, and ... Read more
DPC stands for Damp Proof Course, an essential component in building construction designed to prevent moisture from being absorbed through the walls from the ground or surrounding soil. Moisture can cause significant damage to buildings, leading to problems like dampness, mold, mildew, and even structural weakening over time. The DPC acts as a barrier to ... Read more
In construction, a plinth is the base or platform upon which a structure's columns, walls, and other architectural elements are supported. It serves as the interface between the ground and the structure above and is an essential component of a building's foundation. The plinth is typically elevated above the natural ground level to protect the ... Read more