It is not something that we can switch on and off whenever it suits us.
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"We're not that good yet to be able to turn that switch on and off, " C.
But the ability to turn that switch on and off perfectly for others is a little like being able to walk a tightrope, chew gum, talk on the phone and solve a math problem at the same time.
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And I heard an interesting comment the other week from someone connected with grid issues - that the engineers like to have a bit of wind power in the mix because wind turbines are the easiest thing by far to switch on and off.
We're not exactly sure what makes these virus transistors so special, but apparently the transistors they've built out of the nano-coated strands, and sandwiched between two electrodes, are easy to switch between ON and OFF states, since they don't need to build up a charge at a lame-o capacitor before they can be switched.
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In cells, enzymes are the basis of the natural circuits that switch genes on and off, maintain biological rhythms and produce molecular answers in response to environmental stimuli.
But the parts list says those regions contain, or are close to, a particular kind of genetic switch turned on and off in various types of immune cell.
In 2002 MIT professors started a not-for-profit called BioBricks that has collected 2, 000 biological components, including gene sequences that sense light, produce light, send messages between cells and switch cell functions on and off.
"You run through a field and the paraglider wing catches the wind, it fills with air, blows you off the ground, you switch on the motor and off you go, you're flying, " he said.
In order to operate, our cells constantly switch protein production on and off through specific gene functions.
It would be a slight improvement to add a curtain over the virtual porthole (rather than a switch to shut it on and off), so that guests can leave the video running and wake up with the sense that the sun is "virtually" peeking though their curtains.
The problem with flexible displays is not so much the screen but the drive electronics that switch the individual polymer pixels on and off.
If it all sounds too much, Mrs Kramlich points out that living with media art is really no different from living with fixed-image art. (The couple have works by Andy Warhol and Joseph Beuys in their mock-Tudor San Francisco home.) The difference, she adds with an eye to California's electricity troubles, is that you have an on-off switch and when the images vanish, the house is an artwork of its own.
He was dying on the phone when he heard another mute button switch off and the voice of an even more senior executive came on the line.
The screen can also be turned on and off using the switch, enabling one-touch operations.
Her Hedda has a doll-like beauty and a smile that she turns on and off like a switch.
Last year Hewlett-Packard, along with a team of scientists from UCLA, proved the ability to make a switch that could be turned off and on, like a transistor, out of a single organic molecule called a catenane.
Last year Hewlett-Packard, along with a team of scientists from UCLA, proved that it is possible to make a switch that can be turned off and on, like a transistor, out of a single organic molecule called a catenane.
As you pass a major landmark, your phone may switch off your music and turn on an audio recording of a person describing a landmark you're passing.
The earpiece has an on-off switch, a three-stage volume control and uses a rechargeable battery.
It was the cue for the Robins to move up a gear as Galea's sharp switch in direction and hand-off got them off the mark on seven minutes and handed Dobson an easy conversion.
On occasion Kwok likes to get away from the office and switch off the mobile phone for a couple of days.
Policy makers are thinking too much of flipping a switch that can only be on or off, up or down, or black and white.
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For example, Zeneca has managed to switch the bt gene, which gives maize plants resistance to nasty insects, on and off using another chemical trigger.
The two controls on top are all you need to get the essential jobs done with this device, a button for switching it on and off (and taking stills) and the sliding record switch -- this set-up also means you can physically feel if it's recording, even when you can't see it.
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Local communities supported the bid, with residents in Talybont-on-Usk holding their own Star Party and organising a community light switch off.
Would licence fees change, would the rules on what could and could not be listened to alter, would CBS simply switch the service off and try to transition them to something almost, but not quite, the same?
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And there's been plenty of time for his curiosity to evolve: WALL-E has been alone on Earth for seven centuries, ever since the last humans left and neglected to switch him off.
They put on 55 before a switch to Ollie Rayner's off-spin brought the visitors fortune and Troughton, playing defensively at a leg-side delivery, lost his balance, the ball rebounding off Hodd's pads for a stumping.
Software might be able to offer a good on-screen volume control option and it might be able to mitigate the off switch problem a little, but not enough to keep either issues from being extremely annoying.
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