Science

Definition – Agate /ˈæɡət/ belongs to the quartz family, which makes it a popular crystal for healing, especially due to its composition of silicon dioxide,…

Hakaluki Haor: A rich hub of biodiversity and livelihood Bangladesh is blessed with huge inland open water resources. It has numerous river canals, beels, lakes,…

Definition – Cordierite (mineralogy) or iolite (gemology) is a silicate mineral that is found in metamorphic and igneous rocks. It is typically blue to violet…

Definition – Sunstone is an abundance stone which is a member of the Feldspar family. These mineral inclusions usually have a common orientation, and light…

Ultracold atoms are atoms that are maintained at temperatures close to 0 kelvin (absolute zero), typically below several tens of microkelvin (µK). At these temperatures…

Definition – Chrysocolla Chalcedony or “gem silica chrysocolla” is a hydrated copper phyllosilicate mineral with formula: Cu2−xAlx(H2−xSi2O5)(OH)4·nH2O (x<1) or (Cu,Al)2H2Si2O5(OH)4·nH2O. It is often known as…

Definition – Sugilite (/ˈsuːɡɪlaɪt/ SOO-gi-lyt) is a rare mineral and a gemstone best known for its vibrant pink to purple colors. High-quality specimens are sought…

Acid Anhydride is a compound with two acyl groups bound to a single oxygen atom. It is the product of formal condensation of two oxoacid…

Definition – Geodes (derived from the Greek word “γεώδης” meaning “Earth-like”) are spherical to subspherical rock structures with an internal cavity lined with mineral materials.…

Definition – Prasiolite (also known as green quartz, green amethyst or vermarine) is a yellow-green to green variety of quartz that is cut into faceted…

The Hagedorn temperature is the temperature in theoretical physics where hadronic matter (i.e. ordinary matter) is no longer stable, and must either “evaporate” or convert into…

Quantum simulators permit the study of quantum systems that are difficult to study in the laboratory and impossible to model with a supercomputer. They are…