Score: 4.9/5 (58 votes) In such telescope, one objective lens is replaced by a concave parabolic mirror of large aperture, which is free from chromatic a...

Score: 4.2/5 (28 votes) Python arrays are a data structure like lists. They contain a number of objects that can be of different data types. ... For exam...

Score: 4.2/5 (38 votes) It turns out that arctan and cot are really separate things: cot(x) = 1/tan(x) , so cotangent is basically the reciprocal of a ta...

Score: 4.1/5 (13 votes) The sockeye salmon, also called red salmon, kokanee salmon, or blueback salmon, is an anadromous species of salmon found in the N...

Score: 5/5 (20 votes) adjective Capable of being inferred or deduced from premises. What do you mean inferable? being or provable by reasoning in which t...

Score: 5/5 (31 votes) Diseconomies of scale occur when the expansion of output comes with increasing average unit costs. ... Diseconomies of scale may re...

Score: 4.1/5 (10 votes) Why fainting happens and how to nip it in the bud, from the Harvard Heart Letter. Faint, black out, swoon, pass out. They're...

Score: 4.2/5 (67 votes) Common questionIs runny nose a symptom of COVID-19?Seasonal allergies can sometimes bring with them a cough and runny nose - both...

Score: 4.9/5 (27 votes) Coho/Silver (Oncorhynchus kisutch) – Coho are sometimes called silver salmon or “silvers” (do you mean ''silver'&#...

Score: 4.5/5 (29 votes) Today, although the religious meaning remains, the adjective heterodox can describe someone who adheres to any atypical beliefs, ...