Imagine that you live in a poor country, without money for a pair of glasses or access to an optometrist, and you're not seeing as well as you once did.
This product, a pair of self-adjusting eyeglasses, could change your life.
Or imagine that you are one of the 1.1 billion people on earth without access to clean, safe drinking water. Your child is in danger of contracting water-borne diseases, which kills 1.8 million a year. What would you give for this portable, water-filtration device, called LifeStraw?
Maybe you are one of the 1.6 billion people without regular access to electricity. Your children study at night using a kerosene lantern, but the fuel is expensive and dirty. A solar-powered lantern would be a dramatic improvement.
CD and DVD recording is a very useful thing, not always legal of course. We remember the times, when CD recorders were very expensive, trashed blank CDs and recording took a long, long time. Nowadays CD or DVD writers are used by almost everybody- and burning a CD is a common and usual form of data exchange and backup. However, blank CDs are literally blank - they must be marked to know what is recorded on them. Using a CD marker is amateur, no matter how beautiful you write. Solution? Of course there is one gadget that can help you with that.
CD and DVD burners are so common nowadays, that it is hard to find a PC without CD-RW\DVD-RW drive. Sometimes, when your friend brings another cool DVD, it is a pity that you cannot just copy it without going to nearest PC. It slows the process, and laziness prevails in most times. Imagine that there is a gadget that will simplify this process. That will be capable of copying CD and DVD without need of PC connection, portable and rapid! Fortunately, such gadget really exists.
There is one more way to print your favorite pictures now. You can do it using no ink. That means that photo printers will become hand-held and you will be able to carry them around and print pictures whenever you want. No need to get home or to a shop to print out the pictures anymore.
Have problems with electricity and recharging your batteries? You would not have those problems if you were using Sony's Bio battery that converts sugar into electricity. This would be a perfect solution for replacing ordinary batteries. It is not a very powerful gadget yet but as technology develops we will be getting more and more powerful units.
It is a sort of unspoken rule that many things earlier existing only in the sci-fi books are now real. It started with "Nautilus" of Jules Verne, and it continues even now. Twenty years ago many modern things was thought impossible and futuristic. Even now there are some things that are impossible if we think about them on a current stage of technology progress. However, technology developes and some of that variety of futuristic sci-fi things already exists in reality. Remember those holographic projectors? Their prototypes already exist, and they can show an image in full 3D, so you can go around them and see it from all sides. This invention is even more interesting - it creates virtual object in air, so you can feel it and even touch it!
Everybody uses keyboard every day. However the keyboard has not changed for several years now. You still get a piece of plastic with buttons on it. Besides, they are all big and take too much space. My office is not that big so I have to manage my space in there. 
We have reviewed a few VoIP enabled devices recently. There where telephones that had this technology, mice and other accessories. Here is another accessory that can be used as a telephone when you talk using Skype.
Or not, who knows? The thing about these rings is very unusual it will prevent us from that small introduction so you can start talking to the person like you already know him.
Doctor Mark Humayun, professor of the ophthalmology and biomedical engineering together with experts from the Doheny Eye Institute, Los Angeles, California initiated the first bionic eye.
A lot of efforts were made to help blind people restore their sight. Yet, despite the fact that many promising ideas appeared it's very hard to find a solution for such a complex problem. But in case we really want to make all those people happy the research on this issue must go on.
Unfortunately, as we are getting older, so do our eyes. This means that even if you have a healthy eyes and a good clear vision now, that won't last forever. Old people that need to read something need to carry a different pair of glasses - one for reading, one for main use. Technologies try to help people to step over these problems, from contact lenses to a laser surgery. This solution is the most unusual and high-tech one.
Nowadays many scientists try to find a way to return vision to blind people. If they succeed, it will be one of the greatest achievements. Meanwhile PC producers, taking into consideration the fact that blind people can not use modern technologies, decided to create something that will improve and diversify their everyday life. 
