What do nanomites mean?

Nanomites are nanosized particles, nanorobots or nanites, which when released into the bloodstream of a human kill infected or cancerous cells.
The precision and minute size of these particles make them useful in medical science. However, it's still a concept

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Why is liquid ammonia used in ice plants?

Liquid ammonia acts as a refrigerant in ice plants. Evaporation of a liquid needs heat energy. When liquid ammonia vapourizes, it absorbs large quantities of heat without changing its temperature. For these reasons, ammonia is widely used as a refrigerant. About 17 g of liquid ammonia absorbs 5,700 calories of heat from the

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How does a mobile tracker work?

Mobile phone tracking relies on the use of triangulation -taking signal strengths registered from the mobile phone at a minimum of three nearby GSM receiver masts. As the mobile phone companies know the position of each mast, and can tell the signal strength of your phone at each of these nearby masts, they can use this to calculate the position to a certain degree of accuracy, within about 50-100 meters.

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Is it possible to conduct electricity without wires?

Wireless electric power transfer is theoretically possible and it’s in the R&D phase of many leading research labs in the world. Nasa hopes to power its Mars Rover wirelessly in future missions. The basic technology is simple: rectify the received microwave signal using a microwave low-pass filter and a diode. This structure is called rectenna (rectifier + antenna). Many Radio Frequency Identification (RFID) systems work on wirelessly transferred electric power. But to power your mobile system wirelessly, considerable power needs to be discharged which can be hazardous.

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What is 3-G technology?

3-G technology refers to third generation of mobile telephony technology, with improved and extended facilities over the first and second generation technologies. Transfer of data in 3-G is many times faster, up to 384 kpbs.

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Dirty bomb

A dirty bomb is a simple explosive device used not so much to produce extensive damage but to contaminate a designated spot with radioactive material. It's primary role is to spread fear.

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What is barcode art?

Barcode art is created using the personalized data of a human being. When an individual's gender, weight, height, age and location are entered, a barcode is formed using real-world data. This barcode can then be printed, mapped, scanned, even depicted on a T-shirt or a coffee mug. Scanning this barcode projects the user's brand of humour. The calculation of an individual's BMI based on the height and weight data reveals the health of an individual. Thus, those considered underweight or overweight are worth less money. Thanks to the dominance of the US, all barcodes are published in inches and pounds.

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Why are cellphones switched off while flying?

Mobile phones are radio transmitters and as such, were banned from use in civilian airplanes, for fear they could interfere with airplane avionics. There was also concern that a cellular phone would cause disruption to the cell systems' towers, and distract passengers during take-off and landing.

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What is cryopreservation?

Cryopreservation (freezing at super cold temperatures) of tissue and cells is a technique which puts the cells in suspended animation where they can retain their viability indefinitely. Cryopreservation protects against catastrophic losses caused by such events as disease outbreaks, fire, breeding cessation, or genetic contamination and eliminates the necessity of maintaining stocks 'on the shelf' when those stocks are not being actively used. Cryobiology improved rapidly with the discovery of the beneficial effects of cryoprotectant substances that are added to cell freezing solutions. Cryopreservation is now routinely used to store semen, embryos and all types of cells/tissue of animals and humans.

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What is an electron gun?

It is a device in the back of a "cathode ray tube" television or computer monitor (pre-plasma or LCD flat-panel). The electron gun fires a stream of electrons from the back of the TV onto the inside face of the screen, which is coated with a material that glows when hit by electrons. By using powerful magnets to direct the stream across the screen, a series of dots ('pixels') is built over the screen which appears as an image.

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What is telepresence?

Telepresence is the next-gen videoconferencing technology, which provides superior images. The demand for telepresence solutions has grown, with companies seeing it as an alternative to send executives for meetings. It also reduces a company's carbon footprint by cutting down frequent flying. Setting up a telepresence suite can be very expensive, though.


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What is hydrocracking technology in petroleum refining?

Hydrocracking technology is an important conversion technology for producing high-value naphtha or distillate products from a wide range of refinery feedstocks. Conventional hydrocracking technologies have a difficult time handling low-quality feedstocks that are rich in undesirable asphaltene molecules, for example heavy oil, bottom of the

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