There are over 40 million articles in over languages and anyone can edit any article. Search engines search for information across the world wide web. The results are presented in list form on search engine results pages. Bots crawl the web to find pages to add to the index.
Careful use of images and text-based keywords ensures that pages feature high in results. Notepad is a simple text editor for the Microsoft Windows operating system.
It strips all formatting, hidden characters, and scripts. It has basic text manipulation functions such as word wrap. Its basic features means that it is quick to respond on low-powered hardware. Blockchain is the cryptographically-secured chain of blocks that is the core component of the digital currency bitcoin, managed autonomously without the need for a trusted administrator.
It records transactions across multiple computers that cannot be altered retroactively and confirms that each unit is transferred only once. A podcast is a digital audio file that can be listened to on the user's computer or mobile device. Episodes can be subscribed to and downloaded from a central server which maintains a list of files available.
The word 'podcast' is a combination of iPod and broadcast. The world wide web is a set of web addresses, or Uniform Resource Locators URLs , which are linked together by hyperlinks. The web was invented in by Tim Berners-Lee. This transistor was developed with the help of William Shockley, who would later found Shockley Semiconductor from which the Traitorous eight come from.
The Traitorous eight would leave Shockley Semiconductor and find their own company Fairchild Semiconductor. It is during this technological revolution that Microsoft and Apple appear. It is hard to imagine the Internet not being easy to navigate. The browser was truly a revolutionary piece of software as the original intent of the browser was to navigate hypertext links with a click while displaying graphics and text. History is deep and reach but we hope you enjoyed this brief look at the history of the software.
Want to read more about technology? We got more where that came from, only on the Seamgen blog. The State of Internet Encryption Technologies. Text us. Fill out the fields below and our team will get back to you as soon as possible. Emails are sent out about once a month, so keep your eyes peeled. The Turing Machine was a theoretical construct in which mathematical calculations could be done. Here is an original advisement for the SAGE system. The Minicomputer and the Microcomputer Before the microcomputer came the minicomputer.
When Bell died on August 2, , all telephone service in the United States and Canada was stopped for one minute to honor him. The invention of the light bulb transformed our world by removing our dependence on natural light, allowing us to be productive at any time, day or night. Several inventors were instrumental in developing this revolutionary technology throughout the s; Thomas Edison is credited as the primary inventor because he created a completely functional lighting system, including a generator and wiring as well as a carbon-filament bulb like the one above, in As well as initiating the introduction of electricity in homes throughout the Western world, this invention also had a rather unexpected consequence of changing people's sleep patterns.
Instead of going to bed at nightfall having nothing else to do and sleeping in segments throughout the night separated by periods of wakefulness, we now stay up except for the 7 to 8 hours allotted for sleep, and, ideally, we sleep all in one go. It's one of the most famous discovery stories in history. In , the Scottish scientist Alexander Fleming noticed a bacteria-filled Petri dish in his laboratory with its lid accidentally ajar.
The sample had become contaminated with a mold, and everywhere the mold was, the bacteria was dead. That antibiotic mold turned out to be the fungus Penicillium, and over the next two decades, chemists purified it and developed the drug penicillin , which fights a huge number of bacterial infections in humans without harming the humans themselves.
Penicillin was being mass-produced and advertised by This poster attached to a curbside mailbox advised World War II servicemen to take the drug to rid themselves of venereal disease. About 1 in 10 people have an allergic reaction to the antibiotic , according to a study published in in the journal Clinical Reviews in Allergy and Immunology; even so, most of those people go on to be able to tolerate the drug, researchers said.
Related: What causes allergies? Not only have birth control pills, condoms and other forms of contraception sparked a sexual revolution in the developed world by allowing men and women to have sex for leisure rather than procreation, they have also drastically reduced the average number of offspring per woman in countries where they are used. With fewer mouths to feed, modern families have achieved higher standards of living and can provide better for each child.
Meanwhile, on the global scale, contraceptives are helping the human population gradually level off; our number will probably stabilize by the end of the century. Certain contraceptives, such as condoms, also curb the spread of sexually transmitted diseases. Natural and herbal contraception has been used for millennia. Meanwhile, the FDA approved the first oral contraceptive pill in the United States in and by , more than 6. Scientists are continuing to make advancements in birth control, with some labs even pursuing a male form of "the pill.
Related: 7 surprising facts about the pill.
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