Who invented singular homology?
Score: 4.1/5 (12 votes) The first recognisable theory of homology was published by Henri Poincaré in his seminal paper "Analysis situs", J. Ecole polytech. (2) 1. 1–121 (1895).Who invented homology?A 19th-century British biologist, Sir Richard Owen, was the first to define both homology and analogy ...
Knowledge Base
Latest insights and tutorials from the ClearInsight News team.
How to explain peptization?
Score: 5/5 (41 votes) Peptization is the method of producing stable colloids using an electrolyte to split up and distribute a precipitate into the colloids. Peptization utilizes the charges to produce colloids from the precipitate. The electrolyte used in the process is called a peptizing agent.Wha...
Read More →When was styrene invented?
Score: 4.4/5 (13 votes) The polymerization of styrene has been known since 1839, when German pharmacist Eduard Simon reported its conversion into a solid later named metastyrol.Who discovered styrene?Polystyrene was discovered in 1839 by Eduard Simon, an apothecary from Berlin. From storax, the resi...
Read More →What is portamento in music?
Score: 4.9/5 (72 votes) In music, portamento (plural: portamenti, from old Italian: portamento, meaning "carriage" or "carrying") is a pitch sliding from one note to another.What's the difference between portamento and glissando?Most simply stated, a portamento is an ornamentation used at the e...
Read More →How to avoid sedentary lifestyle?
Score: 4.3/5 (23 votes) Reducing the time spent being sedentarystanding rather than sitting on public transport.walking to work.taking walks during lunch breaks.setting reminders to stand up every 30 minutes when working at a desk.investing in a standing desk or asking the workplace to provide one.H...
Read More →What does cimicifuga racemosa do?
Score: 4.4/5 (64 votes) BLACK COHOSH (blak KOH hosh) or Cimicifuga racemosa is a dietary supplement. It is promoted to relieve symptoms of menopause, such as hot flashes. The FDA has not approved this supplement for any medical use.What is Cimicifuga good for?Cimicifuga racemosa is one of the herbs ...
Read More →Are use case diagram?
Score: 4.7/5 (61 votes) A use case diagram is a graphical depiction of a user's possible interactions with a system. A use case diagram shows various use cases and different types of users the system has and will often be accompanied by other types of diagrams as well. The use cases are represe...
Read More →Can pine needles be used as mulch?
Score: 4.5/5 (36 votes) Pine Needles Can Work as Mulch Pine needles, also known as pine straw, make fine mulch for some flower beds. They are light and fluffy, so spreading them around is a piece of cake, and they don't compact much as they decompose, so you don't have to worry about them ...
Read More →How to trim a cross vine?
Score: 4.1/5 (67 votes) Crossvine does not require pruning, however can be pruned as needed to keep the vine tidy and/or in bounds. If desired, use bypass hand pruners immediately after spring flowering to remove stray shoots or to shape or reduce the size of the vine.When should I prune crossvine?P...
Read More →Are potassium hydroxide solution?
Score: 4.8/5 (33 votes) Potassium hydroxide solution (KOH aqueous) is a colourless inorganic liquid that acts as a strong base (alkali). KOH solution is also known as caustic potash or potash lye and has many different applications. During the KOH liquid production process, chlorine and hydrogen are...
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