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What is Carbon Footprint?

Carbon footprint, amount of carbon dioxide emissions associated with all the activities of a person or other entity (e.g., building, corporation, country, etc.). It includes direct emissions, such as those that result from fossil-fuel combustion in manufacturing, heating, and transportation, as well as emissions required to produce the electricity associated with goods and services consumed. In addition, the carbon footprint concept also often includes the emissions of other greenhouse gases, such as methane, nitrous oxide, or chlorofluorocarbons (CFCs).



The carbon footprint concept is related to and grew out of the older idea of ecological footprint, a concept invented in the early 1990s by Canadian ecologist William Rees and Swiss-born regional planner Mathis Wackernagel at the University of British Columbia. An ecological footprint is the total area of land required to sustain an activity or population. It includes environmental impacts, such as water use and the amount of land used for food production. In contrast, a carbon footprint is usually expressed as a measure of weight, as in tons of Carbon dioxide or Carbon dioxide equivalent per year.

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What is the role of Engine Oil in Vehicles?

Engine oils play a crucial part in your engine’s functionality. Without the oil, your engine can become damaged fairly quickly and so it’s in your best interest to make sure that the engine oil is up to par. The oil in your engine makes sure that the all mechanical components are lubricated to reduce friction, wear and heat. The engine oil ensures that components don’t rub against each other and wear away. While it depends on how often you use your car, older engine oil doesn’t perform as well and so a regular change in engine oil is essential to the functionality of your car.

Why is there a groove line on the "F" and "J" keys on keyboards?

The bumps or nipples found on the F and J keys on the keyboard helps users correctly position their left and right hand on the keyboard without having to look at the keyboard. For example, without looking at your keyboard you should be able to feel the keyboard and correctly position your left index finger on the F and the right index finger on the J. From this position, you should be able to locate the remainder of the keys on the keyboard. A phone having a hardware numeric keypad has something similar. The digit 5 also has a bump. It is also used for the same purpose. One can easily and quickly enter the digits without having a look at the keypad.

What is TrichoScan?

Quantitative methods for the analysis of human hair growth and hair loss are necessary for patient follow-ups or to determine the efficacy of hair growth promoting drugs.  While reviewing the capabilities of the different methods, the common theme emerges that most techniques are of little practical use to the clinician because they are time consuming, costly, or difficult to perform. An operator- and patient-friendly, inexpensive, validated, and reliable method for assessing hair growth was therefore a rational need.  With TrichoScan, such a tool is now available. TrichoScan is a software-based method for the analysis of human hair. For this purpose, digital images are taken from the scalp with a specially developed camera-optics system. TrichoScan software is then used to automatically calculate important parameters of hair growth, such as hair density or thickness from the images.

Contact Lenses Made of 👁️

There are three main categories of contact lenses, based on the materials they are made of: soft contacts, rigid gas permeable (GP) contacts, and hybrid contact lenses. Soft contacts are made of pliable hydrophilic ("water-loving") plastics called hydrogels. Hydrogels absorb significant amounts of water to keep the lenses soft and supple. Because of this water-loving characteristic, the water content of various hydrogel contact lenses can range from approximately 38 to 75 percent (by weight). The water content of soft lenses allows oxygen to pass through the lenses and keep the cornea healthy during contact lens wear. Gas permeable contacts, also called GP or RGP lenses, are rigid (hard) contact lenses. Like hydrogels used for soft lenses, materials used to create GP contact lenses also are "gas permeable," allowing oxygen to pass through the lenses to the cornea. Unlike soft lenses, however, rigid gas permeable lenses do not contain significant amounts of water. In

Why do Oil rigs have a Flame?

The flame at the top of an oil rig is an iconic image for the Oil & Gas Industry, yet few people understand why companies choose to burn natural gas. By burning excess natural gas, flaring protects against the dangers of over-pressuring industrial equipment. A gas flare, alternatively known as a flare stack, flare boom, ground flare, or flare pit is a gas combustion device used in industrial plants such as petroleum refineries, chemical plants and natural gas processing plants. Flaring is undertaken as a way to remove dangerous gasses with lower harm to the environment. It is used in safely regulating pressure in chemical plants, as well as handling natural gas release in wells. Alternatives, such as piping the gas to a plant or on-site capture and use, are of great interest.

APPLE IOS 14 NEW UPDATE

  YOU HAVE TO WAIT FOR NEW IOS 14 UPDATE IN INDIA. Here’s the cheat sheet: Hawaii:  7 a.m. Alaska:  9 a.m. California and the rest of the Pacific coast, Arizona, Vancouver:  10 a.m. Colorado, Wyoming, Montana:  11 a.m. Texas, Missouri, Wisconsin:  12 p.m. New York, North Carolina, Florida, Toronto:  1 p.m. Brazil:  2 p.m. The United Kingdom, Portugal:  6 p.m. Germany, France, Spain, Italy, Norway, Sweden, Algeria, Angola:  7 p.m. Moscow, Finland, Turkey:  8 p.m. India:  10:30 p.m. China, Singapore, Hong Kong:  1 a.m., September 17 Perth, Australia:  1 a.m., September 17 Japan, South Korea:  2 a.m., September 17 Adelaide, Australia:  2:30 a.m., September 17 Sydney, Australia:  3 a.m., September 17 New Zealand:  5 a.m., September 17