写一篇英语短文,介绍生活中的一件小发明？
This latest invention uses a small scanner that plugs into the audio input jack on a mobile device.
It reads information on a credit card when it is swiped. The information is not stored on the device but is encrypted and sent over secure channels to banks.
It basically makes any mobile phone a cash register for accepting card payments.
As a payor， you receive a receipt via email that can be instantly accessed securely online. You can also use a text message to authorize payment in real time.
Retailers can create a payor account for their customers which accelerates the payment process. For example， a cardholder can assign a photo to their card so their photo will appear on the phone for visual identity confirmation. Mobile devices with touch screens will also allow you to sign for goods.
如何用英语写一篇关于发明物的作文？
The abacus was invented in the sixth century by Chinese people.The umbrella was invented about 4000 years ago in Assyria，China and Egypt.The binoculars was invented in 1854 by Ignatio Porro in Italy.The camera was invented in 1827 by Joseph Nicephore Niepce who took the first picture.The bicycle was invented in 1880s in England.
原文标题：写一篇英语短文,介绍生活中的一件小发明
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