Micro-USB used to be the most common USB port and is still found on many older models. This type of connection allows data to be read without needing a computer. For example, you can connect Flash Drives, or Memory Sticks, directly to your mobile device.

Edmund Scientific catalog

Its mail-order catalogue served -- among others -- experimenters, hobbyists, and parents looking for educational toys for their kids.

USB-C is the most recent USB development and all new Samsung devices come with USB-C ports. USB-C cables allow high speed data transfers and a higher power flow, allowing your phone to charge more quickly. USB-C cables are also reversible and can be plugged in either way round.

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USB 3 was designed to be able to be backwards compatible with earlier versions of USB cables and ports. The USB 3 has different shaped connector pins so it can withstand more frequent use. The USB 3-A and USB 3-B cables are identical to the USB-A and USB-B cables at the top of this article, except they are coloured blue inside to distinguish them. The USB 3 micro cable has extra pins to enable the transference of more data.

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"He absolutely inspired generations of young scientists," she tells KYW Newsradio.  "And we can point to several astronauts and different famous people that came to the store to see the telescopes, to play with the periscope, and to be a part of the laser light show."

There are a number of different USB cables, each of which has different benefits and is suited to a different task. The cables and ports used by your smartphone and tablet will be either micro-USB or USB-C on one end, with a USB-A type on the other end. You can find out more about which type of USB your device uses. Some of the cables that come with older models will not have the USB-A on the end, but rather just the plug. These plugs will usually have a much lower amperage.

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USB-A cables will only go into the port one way. You can usually tell which way up they should be by the USB symbol printed on the top. Make sure that the cable is inserted the correct way so as not to damage the cable or device.

For decades, the Edmund Scientific Co. store in Barrington, NJ was the place where the curious went to browse the science-oriented toys, to look through a World War II periscope, and to marvel at the selection of optical lenses and telescopes.

USB-A is most commonly used with computers or power outlets. When charging, you will connect the USB-A side into the USB-plug or into a laptop or computer.

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The USB-Mini was used for connecting mobile devices including MP3 players and cameras, and is a much smaller connection, thus allowing smaller devices to connect.

"He did put Barrington on the map with the retail store, and bringing a lot of tourists and people to the area.  He also was incredibly active with the local business culture and with the church, and funded a lot of the school activities."

ScientificsDirect

USB-B ports are mostly used to connect printers or external hard drives with computers. They are not as common as the other types of USB cables.

Marisa Ann Edmund, the company's executive vice president for marketing and communications, says her grandfather was a pillar in the community.

Company founder Norman Edmund died Tuesday.  His granddaughter, Marisa Ann Edmund, says even though the retail store closed a dozen years ago, his influence lives on.

Like USB-A cables, Micro-USB will only go into a port if it's the correct way round. Be careful to match the shape of the port with the Micro-USB cable to avoid causing any damage.

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