Category: Physics

How do helicopters slow down? Unlike a plane, which can glide a large distance with no power, a helo has no way to slow down—or so the thinking goes. Actually, helicopters have a built-in mechanical control called the collective pitch lever that allows them to descend slowly and land even if the engine dies. This […]

How do you make rosemary oil from dried rosemary? 1- Fill a clean, dry, glass jar around two-thirds full with dried Rosemary. Do not pack the Rosemary and leave it loose so the oil will have enough space to cover the herbs. 2- Completely immerse the rosemary with high quality extra virgin olive oil. Cover […]

Why is water coming out from bottom of toilet? Water pooling around the base of the toilet is a good indication that the wax seal has failed. Wait until a new puddle appears on the floor, then check to make sure the water is seeping out from under the toilet and not coming from a […]

What is the state tree of Ma? American elm What does the Massachusetts symbol represent? The state flag of Massachusetts features the state’s coat of arms. The coat of arms has a Native American holding a bow and arrow. The arrow is pointed down, symbolizing peace. The design also features a white star that represents […]

What are Guineas called? Guineafowl (/ˈɡɪnifaʊl/; sometimes called “pet speckled hens” or “original fowl”) are birds of the family Numididae in the order Galliformes. They are endemic to Africa and rank among the oldest of the gallinaceous birds. How can you tell a male guinea fowl? Firstly, male Guinea fowl are distinguishable by the larger […]

What does a pomegranate symbolize in the Bible? In the Christian religion, pomegranates are often used as a decoration. The seeds can be placed in a dish and set out for memorial services as a symbol of the sweetness of heaven. The seeds may also represent the people of the church and royalty. Commonly, the […]

What do you wear under a sari? A petticoat is an underskirt, treated as an undergarment to wear under a sari. It is a separate garment that hangs from your waist, in which you tuck in the sari and its pleats. Most petticoats to be worn under the sari are made up of cotton or […]

When was the divine comedy first published? 1472 How old is the Divine Comedy? The Divine Comedy (Italian: Divina Commedia [diˈviːna komˈmɛːdja]) is a long Italian narrative poem by Dante Alighieri, begun c. 1308 and completed in 1320, a year before his death in 1321. When did Dante write the Divine Comedy? 1308 Why did […]

What are the short term effects of drought? During short-term drought, declines in surface water flows can impact water supplies for agriculture, drinking water, hydropower production, navigation, recreation, and ecosystem habitats. In contrast, it may take a year or more before levels in wells (reflecting groundwater levels) reflect a shortage of rainfall. How does drought […]

How does a isometric drawing work? The isometric is one class of orthographic projections. An isometric projection results if the plane is oriented so that it makes equal angles (hence “isometric,” or “equal measure”) with the three principal planes of the object. What are the 3 views of isometric drawing? As a rule, they show […]