Electronics

Some of us are old enough to recollect a time when everyone on the Internet used it through a dial-up connection. Your computer connected to a modem that noisily calls the phone number of an  ISP (Internet Service Provider) to allow you connect at 56 kilobits per second, if you were quite fortunate to have a faster modem. Web pages  load slowly onto pc screens.Pictures usually use a lot of time to fully show up. Software usually take hours to fully download. If you do not have a dedicated phone line, you would tie up the line, and the connection may trigger off if someone calls the phone line. We used  more of text than other bandwidth-hungry media out of need. Recently Internet connection speeds have increased tremendously from the use of broadband connections using technologies like cable and DSL (Digital Subscriber Lines) and 4G or LTE .  According to the FCC's standards, the new goal is for all household to have access to broadband with a minimum speed of...

Have you've ever moved from a desktop pc to a laptop, the experience can be enjoyable.Some people prefer to work with a computer,arrange files both in physical and digital format,a desktop pc lets you feel hooked to particular spot. It totally depends on electrical sockets all the time, and moving its heavy components from one place to another is not cool at all. Laptops can conveniently work using   battery  power, and, when fully charged, can work anywhere you move them.They are small in size and with lightweight, so if you want to lay on the couch or work in a cafeteria, laptops are really cool tools to work with. The only striking difference between a laptop and a desktop, is how they are coupled together. A laptop has all of the same or similar hardware and peripherals as a desktop , such as a screen, a keyboard, a  microprocessor , memory storage and a number of fans to keep the system temperature down. All components are arranged in a different way si...

The History of Scanning Electron Microscopes The development of SEMs started with more of a whimper than a bang. When the technology was first unveiled in 1935, a group of marketing professionals was asked to evaluate the new instrument's potential in the marketplace. After polling the scientific community, the marketing experts weren't too optimistic. They estimated a need for, at most, 10 of the devices worldwide. As it turns out, the experts largely under-rated the market potential of SEMs, and gracefully, their dull appearance did not prevent further advancement in the technology.More than 50,000 SEMs occupy laboratories and businesses around the world .How did SEMs come out from near obsolescence to becoming the most sort after research tool of today. For most part,researchers have greatly improved optical microscopes to their limits.Optical  microscopes  had been used continuously for centuries, and you can sight them in classrooms across the globe,their relianc...

The  Internet  has its means of luring us believe in a fake sense of anonymity. How can somebody reveal your actual identity in a virtualized world? The fact is that just simply hooking up to the Internet, you unknowingly spread information about your pc,geographical location and all the sites regularly you visit. The aim of anonymous Web browsing is to bypass the technologies that trace your activities online and may reveal your private details to others. By browsing anonymously, nobody can identify you, where you're connected from or the web sites you visited. When people talk about browsing the Web anonymously, they actually relate it with extramarital affairs, malicious hacking, illegal downloading and other negative behaviors. That's not always the case. In essence, there are numerous legitimate reasons for someone  to be anonymous online,which may be one of the following: Your employer or school has strict Web surfing rules and screens your access to the...