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Consumer Electronics
Ask questions here about the electronics you use every day: from phones and computers to kitchen appliances and radios.
4,952 Questions
This a learned skill, basically it is very similar to some of the skills learned when gas welding. Both processes require a source of heat to melt the base metal and a separate source of filler material . Both require the use of two hands. The exception is when you are fuse welding. Melting the edges of two pieces to flow together.
Why was the hearing aid invented?
The first hearing aids were made in the 1500s out of wood so nobody really knows who invented them. They looked like the human ear. By the 19th century, hearing aids were sold in many parts of the world as consumer products. However, the hearing aids of those times were affordable only by the upper class.
Why refregirator freezers are on top?
Actually, you can get refrigerator freezers in both configurations. From what I was told the original configuration had the freezer on bottom. This was because you had to buy big cubes of ice to keep things cold and you didn't have to lift the block as high and the melting block didn't get everything wet.
How do you jail brake an I-pod touch?
To install 'grey market' (ahem) games you will need to install a new (unofficial and unsupported) operating systems (eg IPodLinux, and Rockbox).
Check the websites below to see if your IPod has enough memory, and is the correct Gen for the software to work.
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What problems did technology bring?
Technology inherently breeds laziness, as jobs that were once done by people can be done by machines, and machines make our lives generally easier and require less work. Machines and factories also contribute to air and water pollution across the planet. When people really enjoy technology, it is also easy to become addicted to it, which breeds problems of its own. It also changes and updates so rapidly that something recently bought can quickly become outdated and ineffective.
What is monolithic integrated circuit technology?
Monolithic integrated circuit technology is a system of electronics that are interconnected through a single piece. This single piece is a semiconductor crystal.
What was Percy L. Spencer's nationality?
US inventor Percy L. Spencer (1894-1969) was born in Howland, Maine.
Pricing of electronics changes almost day to day. A store with the best prices today may not be the best price tomorrow. It also depends on your location. Buying locally may be less expensive because of shipping and import duties.
When you are ready to buy, hunt through the magazines, the web and local papers to get the best possible price.
Happy shopping!
in 1761 by Benjamin Banneker
++ No it was not. Even if we are talking only about mechanical clocks, discounting the Ancient Egyptian's Clespsydra (water-clock, timing by water dripping slowly between two vessels), clocks go back to Mediaeval times:
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- Europe's oldest working clock (AD1386), now situated in the north nave aisle, used to be located in the Bell Tower (demolished in 1789). It has "ticked" more than 5 million times since it was first built
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Source: Salisbury Cathedral web-site. Some sources consider the world's oldest. It is still running. It never had a dial but signalled church services by bell. It is still ticking!
When was the tv introduced to Australia?
At 7:00pm on 16 September 1956, Australia's first TV broadcast was made by TCN Channel 9 in Sydney. At the time, there were approximately 2,000 television sets in Sydney. A regular broadcasting service was not provided until GTV 9 officially opened with a regular broadcasting service on 19 January 1957.
Why do people use too much electricity?
If you leave lights on when you are not using them and leave the TV on when you are not watching it, you are using too much electricity. You can actually cut your electric use and bill by shutting off lights when you are not using them, turning off appliances, including computers.
How do you unlock a safelink wireless SIM card?
You do not unlock a Sim card; you unlock the phone
To do this without modding the phone or getting an unlock code, you can go and purchase a Sim card add-on such as Turbosim or Hypersim.
How many cells are in a D cell battery?
The`D' sized battery, `AA", `AAA` and `C' sized batteries are manufactured to have a nominal 1.5 volts.
Answer
The electromotive force (open-circuit voltage) produced by a cell is a function of the materials used in the manufacture of its electrodes, and has nothing whatsoever to do with it physical size.
The electrochemical series of metals lists the potentials of various metal electrodes in comparison with a hydrogen electrode, which serves as a zero reference. For example, the simplest cell has a copper electrode and a zinc electrode. From the electochemical series, the potential of copper is found to be +0.34 V, and the potential of zinc is found to be -0.76 V. So, the potential difference between a copper and zinc electrode will be 0.34 - (-0.76) = 1.1 V.
The physical size of a battery (e.g. AAA, AA, etc.), providing they are of the same type, is a measure of the cell's charge capacity (expressed in ampere hours) and not of its emf.
How many violent video games are there?
Theres WAY to may to count. But i guess I would estimate around 1 billion. There's a lot of violent video-games nowadays, that's why there is a rating system for video games, so you don't have to deal with the vulgar language or violence that's included in the game.
Were there always conductors in an orchestra?
No.
Conductors as we know them first appeared in the late classical period, but there had been other types of conductor before that.
The first attempt to keep an orchestra's timing together was trialled in ancient Greece, where the 'conductor' beat the time with a stick, holding the orchestra together. The renaissance saw a return of this idea, where an individual could strike the floor with a stick or their foot, or in some cases tap a book, to keep time. Jean-Baptiste Lully died as a result of this practice. He was conducting a performance celebrating a return from an illness he had, when he accidentally hit his foot with a conducting rod. The wound became infected and he died. In the Baroque period it became more common for a harpsichordist or (rarely) a violinist to keep the piece together. The harosichordist provived a continuo to keep time, while the violinist sometimes played and waved his bow to indicate time when he was not playing. By the waning years of the classical period, the bow had been replaced with a rod and the instrument became useless to the conductor, resulting in the conductor we know today.
How did the telephone make life easier?
it was important because without telephone we could not talk to our families around the world. We would not know what could happen to somebody if there was no telephone. yes we could through tv
Your cell phone screen went blank for no reason how do you fix it?
Either your cell phone screen has had the wires knocked loose or the screen is broken all together. I've heard you can buy the LCD screens for cell phones a lot cheaper than buying a new one. If not you may have to buy a new phone.
I had a phone do this and believe it or not if yours is having the same problem as mine you can put it in the freezer for 5-10 minutes and get about 5 minutes of screen time to recover important messages or contacts. I dont know why but being a computer nerd I figured a deep freeze may help and it did!
IT works
The Islamic scientist and mathematician al-khowarizmi is credited with coining what word?
Al-jabr - the Arabic phrase we Anglicise to Algebra. He didn't invent the word itself, but the use of it.
What are all the inventions of Willis Haviland Carrier?
air conditioner ?, also with the name haviland, could have also invented an airplane engine/
The first step in manufacturing a DVD-R or DVD+R disc is to fabricate the polycarbonate plastic substrates (incorporating the spiral groove and land pre-pits) using an injection molding process.
The dye is then applied using spin coating and the metal layers by means of DC sputtering. After both sides of the disc are completed they are bonded together using a hot melt, UV cationic or free radical process. Additional decoration or printable layers are typically applied using screen printing methods.
A DVD-R (General) disc undergoes a further manufacturing step in which a specialized computer DVD recorder is used to "prewrite" information in the Control Data Zone of its Lead-in Area to inhibit direct copying of prerecorded DVD-Video discs encrypted with the Content Scrambling System (CSS).
Apart from this, and some minor differences in the configuration of the molding stamper used to create the substrates, the process for manufacturing DVD-R and DVD+R discs is virtually identical.
Where can you buy 8mm film reel with movies on it?
You can pick them up at Festival Films they have 16mm movie reels you can call them if you want them to keep one in store for you. Phone: 612-470-2172 The adress is: 6115 Chestnut Terrace Shorewood, MN 55331
Who invented the razor cell phone?
1947 Bell Labs created the cellular phone so people can talk without having to walk to the person/drive he was a fine young man
What is the difference between jfet and mosfet?
1-BJT is bipolar while JFET is unipolar.
2-BJT has low input impedence while JFET has high input impedence.
3-JFET has low power discipation as compared to BJT.
4-JFET has low noise as compared to BJT.
5-BJT is current controlled while JFET is voltage controlled.
6-JFET is mostly used in digital circuits.
