When history looks back on the last few decades and the infancy of the Internet can be properly defined, it will likely be chronicled that the Internet is the greatest learning tool since the printing press. When it comes to an appetite for data, social media outfits are the most voracious, according to a recent study released by cybersecurity company Clario Tech. The analysis of nearly 50 of the world’s biggest brands found that Facebook collects more than 70 percent of all the data it can collect legally about someone using its service. Even though technology has made the world a better place, no piece of technology comes without its consequences. There are two sides to every coin. Modern convenience has been a key player in the obesity of America. Computers, television, and other forms of technological entertainment have lead Americans to seek an ever more sedentary lifestyle. In addition, there are many people today that are addicted to computer and video games. These individuals play the games for as long as is physically possible and may never even leave their house. The relationship that modern people have with the outdoors is also crumbling. Research suggests that a growing number of people don’t venture outside of manmade structures for recreation anymore. This has lead to disconnect and sometimes even a disgust with nature and the natural world. Nuclear proponents feel the small amount of material (usually uranium) needed to produce a sizeable amount of energy is a good trade-off compared to the huge investment in oil or coal that would be required to generate the same amount of power. Nuclear energy is considered a globally available and reliable source of power, too, because the radioactive material needed for production can be found in many parts of the world. Amplifiers are electronic devices that boost current, voltage, or power. Audio amplifiers are used in radios, televisions, cassette recorders, sound systems, and citizens band radios. They receive sound as electrical signals, amplify these, and convert them to sound in speakers. Video amplifiers increase the strength of the visual information seen on the television screen by regulating the brightness of the image-forming light Radio frequency amplifiers are used to amplify the signals of communication systems for radio or television broadcasting and operate in the frequency range from 100 kHz to 1 GHz and sometimes into the microwave-frequency range. Video amplifiers increase all frequencies equally up to 6 MHz; audio amplifiers, in contrast, usually operate below 20 kHz. But both audio and video amplifiers are linear amplifiers that proportion the output signal to the input received; that is, they do not distort signals. Other forms of amplifiers are nonlinear and do distort signals usually to some cutoff level. Nonlinear amplifiers boost electronic signals for modulators, mixers, oscillators, and other electronic instruments.
Hi CW – yes! Unfortunately you are preaching to the choir here about the benefits of solar power, hydro, wind, geothermal, etc. We really do need to become energy independent. Big oil is a big hurdle, however. To confuse things further, electrical engineering technology (EET), is the name given to the applied electrical engineering domain that deals with the hands-on manufacturing, maintenance and repair of electrical systems and circuitry, and involves working with everything from industrial electronic motors to consumer electronic products. Preliminary data taken over three months showed a decrease in total cholesterol and waist circumference, an increase in HDL and a positive adherence to lifestyle changes. Eastwood says that because there is so little data for wireless health, she and her team wrote a paper about compliance, which included tracings from app data that revealed that two women in the study had shaken their phones to simulate daily exercise. For many people, information is perhaps the most important aspect of desktop computers, laptops and smartphones. Another plus point about elementary OS is that it’s a widely used distribution.Â This means that you won’t end up with a Linux spin that’s rather unknown and not be able to find support and help easily. Yes, I agree abnertegan that we cannot avoid or get rid of mobile phones or cell phones totally but we should take some preventative steps now or it will be too late. Thanks for the link though. We are already under massive surveillance from our governments, with the world starting to look more like George Orwell’s fictional 1984 novel than like the real world which Orwell lived in when he wrote it. The real danger, however, is the in power that the analysis of this ‘big data’ gives government to not only watch us, but to manipulate and control us. I’m not necessarily talking about the kind of MK-Ultra mind-controlled assassin type of control here – more like the kind of control seen in advertising and social engineering, only much more effective. Security updates are much more critical in nature. These make sure ‘holes’ in the operating system aren’t left open after they’re discovered. Typically, most hackers would exploit these. When you hear of the latest Microsoft exploit, this is what is being referred to. Hackers and virus code writers have software which continuously scans for computers on the internet which have not patched these vulnerabilities so they can be exploited. Sharing of information: People want to share information by transferring files or by organizing events in a working environment or as part of their social lives. They use email to do that as it is cheaper and easier than telephone calls. Social bookmarking sites and online clipboards are on the rise to fulfill a need to share information.