Category: Physics

When was the carbolic acid spray invented? 1867 Who invented carbolic acid spray? surgeon Joseph Lister How did Joseph Lister discover carbolic acid? In 1834, Friedlieb Ferdinand Runge discovered phenol, also known as carbolic acid, which he derived in an impure form from coal tar. Therefore, Lister tested the results of spraying instruments, the surgical […]

Is gymnastics good for losing weight? According to a recent review, gymnastics is considered a moderate fat-burning exercise routine. But it does promote steady weight loss if practiced consistently. Throw in a healthy diet and persistent training, learning different gymnastics moves for weight loss is possible. What body type do female gymnasts have? Most female […]

What are the main services offered by the hair industry? Some of the most popular services provided in a salon may include: hair-cutting, colouring and styling. waxing and other forms of hair removal. nail treatments. facials and skin care treatments. tanning. massages. complementary care such as aromatherapy. What are the types of Organisations in the […]

What are the main components of a cocktail? The components of a cocktail: the base, the modifier, and flavouring/colouring The base is generally a single spirit on which the cocktail is based, such as vodka, whisky, or rum. The modifier is the ingredient which is added to the base to give the drink the desired […]

Is chlorine in tap water bad for plants? Chlorine is added to municipal tap water to kill microbes and make the water safe to drink, but chlorine can also be toxic to plants. As with all toxicity, dose makes the poison. At low levels chlorine will not be toxic, in fact it is a required […]

What can adults do in Denver? 25 Best Things to Do in Denver (Colorado) Wings Over the Rockies Air & Space Museum. Source: flickr Wings Over the Rockies. Molly Brown House Museum. Denver Climbing Company. Coors Field. Denver Botanic Gardens. American Museum of Western Art. Sports Authority Field at Mile High. Sports Authority Field at […]

What is a gelding donkey? A gelding is a castrated male horse, donkey, or mule. Unless a horse is to be used for breeding purposes, it should be castrated. What is a horse with no balls called? A cryptorchid, also called a ridgling, is a male horse in which one or both testicles do not […]

Is Glenn Gould humming? Glenn Gould can be heard humming on numerous recordings, some louder than others. Was Glenn Gould an only child? The remarkable Canadian pianist (also organist, conductor, and composer), Glenn (Herbert) Gould, was born into a musical family: Edvard Grieg was a first cousin of his mother’s grandfather, his father was an […]

How do you extract chitosan from crab shells? The chitin obtained was treated with 40 % (w/w) aqueous sodium hydroxide (NaOH) with a ratio of chitin to the solution of 1:15 (w/v) at 105 °C for 2 h. Then, the chitin was filtered using a filter pump and washed with deionized water until pH neutral […]

Is microfiber safe to sleep on? Microfibers trap heat more easily than cotton sheets. They are better suited for colder climates and people who tend to get chillier at night. The natural fibers assist in regulating the temperature for a cool and dry sleep. They are ideal for sleepers who run hot at night. Is […]