And Marcello keeps moving in his scooter.

He's otherwise completely wheelchair bound.

You're in a wheelchair. That's normal.

Sue Austin Deep sea diving in a wheelchair

For me, the wheelchair becomes a vehicle for transformation.

And this is a particularly small scooter for a gentleman of this size.

The wheelchair became an object to paint and play with.

It was a man in a wheelchair desperately trying to move away.

No need of staying with me all the day pushing my wheelchair.

If we see someone in a wheelchair, we assume they cannot walk.

When I started using the wheelchair, it was a tremendous new freedom.

Recently we have just started a program, a sport program basketball for wheelchair users.

And this man does not look like a 65 year old wheelchair bound man.

But the challenge is, again, they don't get much value, because they can't afford anything more than the scooter.

And here's a line of text that actually evolves from the exhaust of a scooter zipping across the page.

And I will never forget Mahmoud and his son walking together pushing the empty wheelchair.

I walk to work every day or ride my scooter, and I come down and park in this little spot.

And finally, to real life changing applications, such as being able to control an electric wheelchair.

India has not invested heavily in infrastructure and training for Olympians Karmakar's first vault was made from parts of an old scooter.

When I asked people their associations with the wheelchair, they used words like limitation, fear, pity and restriction.

So when I began to dive, in 2005, I realized scuba gear extends your range of activity in just the same way as a wheelchair does, but the associations attached to scuba gear are ones of excitement and adventure, completely different to people's responses to the wheelchair.

I started using a wheelchair 16 years ago when an extended illness changed the way I could access the world.

And the underwater wheelchair that has resulted has taken me on the most amazing journey over the last seven years.

I was in my wheelchair. I had no feeling from the waist down, attached to a catheter bottle. I couldn't walk.

They seemed to see me in terms of their assumptions of what it must be like to be in a wheelchair.

It's wonderful to be here to talk about my journey, to talk about the wheelchair and the freedom it has bought me.

In the end, because of the disease, he became unable to walk and had to use a motorized wheelchair to get around.

13th Man After seven years now of being in a wheelchair, I've done more in life being in a chair than out of a chair.

I remember Dad pushing me outside in my wheelchair, wrapped in a plaster body cast, and feeling the sun on my face for the first time.

Sitting at home in my wheelchair and my plaster body cast, an airplane flew overhead, and I looked up, and I thought to myself, That's it!

I was working to transform these internalized responses, to transform the preconceptions that had so shaped my identity when I started using a wheelchair, by creating unexpected images.

Senegalese, the young man seated on the wheelchair here, was once a child soldier, under the General's command, until he disobeyed orders, and the General shot off both his legs.

In fact, I now call the underwater wheelchair Portal, because it's literally pushed me through into a new way of being, into new dimensions and into a new level of consciousness.

Quick snapshots of things you might see from a speeding motor scooter, and very slow walking through Rome, you might be able to study in more detail some of the wonderful surfaces and whatnot that you come across.

This is why you started actually a new paradigm shift, where the same people who could not dream of sitting in a car, who were carrying their entire family in a scooter, started dreaming of being in a car.

Marcello, as it turns out, is the driver of the number 64 bus, and if you've been on the number 64 bus, you know that it's driven with the same kind of exuberance as Marcello demonstrated on his scooter.

He gets up, leaps onto his scooter, races through the city past the church of Santa Maria della Pace, down the alleys, through the streets that tourists may be wandering through, disturbing the quiet backstreet life of Rome at every turn.

Public opinion polls following the publication of photographs of a helmeted Hollande riding on a scooter behind one of his bodyguards to an assignation with a movie actress suggest that the French are mildly interested. But the reality is more nuanced.

The Paralympics, just for a little bit of clarification, are the Olympics for people with physical disabilities amputees, persons with cerebral palsy, and wheelchair athletes as opposed to the Special Olympics, which deals with people with mental disabilities.

And the other thing is, that because nobody's seen or heard of an underwater wheelchair before, and creating this spectacle is about creating new ways of seeing, being and knowing, now you have this concept in your mind.

We can also see the superstars. These would be the people that are kind of the looming heroes and heroines in the universe of Bill Clinton. So there's Bill Clinton, Hillary, Iraq, George Bush, Barack Obama, Scooter Libby these are kind of the people of Bill Clinton.

Thus, the French do not criticize Hollande on the ground of ethics, but on the ground of politics. The president of la Grande Nation, political heir of the Sun King and General de Gaulle, has made a fool of himself he looked simply ridiculous on his scooter.

And I'm thinking, it's because in that moment of them seeing an object they have no frame of reference for, or so transcends the frames of reference they have with the wheelchair, they have to think in a completely new way.

For those who have disabilities the paraplegic there's the era of brain computer interface, or BCI, where chips have been put on the motor cortex of completely quadriplegic patients and they can control a curser or a wheelchair or, eventually, a robotic arm.

Ronald Reagan s experience in Hollywood served him well in this regard, and Roosevelt was a master at image management. Despite his pain and difficulty in moving on legs crippled by polio, he maintained a cheery exterior and avoided being photographed in a wheelchair.