Because the lens is becoming harder, it is less able to change shape and therefore focussing is more difficult.
The ability to change shape gets more restricted as you get older.
They are interventions now for what we think will happen, either to position ourselves to profit from change, or to shape or block the change.
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Yurke used DNA to construct molecular motors, molecules that can be made to change their shape.
One of his bits of magic was seemingly to change the shape of his windows, using a conjuror's tricks of illusion.
The changes will be based around the 13th turn, dubbed '50:50', and will involve shaving the ice to change the shape of the turn.
For example, it is offering a service to mobile-phone companies in which subscribers can go online to change the shape, colour and other features of the case of their new phone.
The Swede, who has joined hometown club Helsingborg, often came off the bench to change the shape of a game - as he did so spectacularly in the Champions League final over Arsenal in May.
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He likened the radio technology to responsive web design, a technique which enables web pages to automatically change shape and configuration depending on what type of device they are being read on, such as a smartphone or tablet.
By the same token, what has to happen is - at this point it's, you know, it's very difficult on the media to change the shape of the debate because you have such a run of negative language.
Paradoxically, when we put in schemes to control our food intake or attempt to change our shape, we can think that we are taking charge and we gain some short-term relief from the constant judgmental noises inside our heads.
"NASA has used many robots for doing different tasks but there are so many things, so the idea was to build one that can change shape and size depending on what NASA wants it to do, " said Shen.
So it would be nice to have a component that could change shape almost like liquid... but to make a robot have a different texture would obviously be a new dimension of robotics.
The knowledge societies we need for the 21st century will be built by giving young women and men tools to shape positive change.
Another designer has ideas to create "smart wings" with materials that change shape or have holes that can be open and closed to create the kind of airflow needed to maintain or reduce air speed.
No teleprompters and no ability to survive on 30 second hope and change filled one-liners would be allowed to shape this debate.
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Has it found a potent combination of anonymity, technology and community that has the power to change lives, influence politics and shape the media landscape?
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STAM, an Italian engineering-research firm, on mannequins that change their size and shape to suit the garment being made.
The four-seat concept version looks longer and slimmer than the muscular Continental Supersports convertible, though it will invariably change shape somewhat before going to production.
Secret soap opera pleasures aside, Downton Abbey has something to teach us about embracing change if we are to survive the transformations of culture and society that shape us.
Football At home, Le Arsenal did the Double, while the shape of the game began to change with takeover bids from City giants.
The determination and courage of the women that we serve in the program to change their statuses had manifest the social change shape under my leadership as well.
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We, the people -- (applause.) We, the people, hold in our hands the power to choose our leaders and change our laws, and shape our own destiny.
The closer the sphere, the bigger it would be on the camera image and no matter which way you held the controller, the PS3 would still be able to lock on it as the shape of the sphere would not change, only its size.
The problem is I don't want to lose the traditional taste, so I change it completely by changing its shape.
It may seem daunting to enter into the fray of a heated issue, to shape public opinion and to push our elected officials to substantive change, but we've done it before.
This does not change the object's essential properties: the transformed shape is equivalent to the starting shape.
And because you made our campaign your own, because you believed in our ability to shape our own destiny, we won that chance to bring about real change.
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