Download e-book for iPad: A Brief History of Tomorrow: How The Experts Usually Screw by Jonathan Margolis

By Jonathan Margolis

ISBN-10: 190855620X

ISBN-13: 9781908556202

A desirable examine the long run, as you've by no means visible it.

Ten years from now, can we have a tiny computer surgically inserted in an earlobe, able to connecting to mobilephone strains and the web? Fifty years from now, will atomic-sized robots change surgeons? 100 years from now, rather than taking the bus, do we easily teleport to paintings? all of it may well sound like very unlikely technological know-how fiction, yet recently, so did strolling at the moon. Journalist Jonathan Margolis interviews top thinkers in such fields as genetics, drugs, neurobiology, quantum physics, robotics, desktop technological know-how, and house commute to discover the place we're going, and what it is going to seem like whilst - and if - we get there.

Beginning with famously fallacious prior visions of the longer term - between them H.G. Wells, George Orwell, Arthur C. Clarke, Stephen Hawking, and invoice Gates - Margolis examines a few of the unusual and tempting futures which could lie in shop for us. Politics, society, faith, and paintings are all destined for excellent alterations. What may they be? How will they arrive approximately? Thought-provoking, a laugh, and completely unique, a quick historical past of day after today is a deliciously compelling examine anything all of us spend loads of time considering: the longer term.

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Additional info for A Brief History of Tomorrow: How The Experts Usually Screw Up (Future Forecasting)

Example text

The last of the four error sources is the skew between the clock signal and the input signal. The skew originates from the routing of the signals over large distances on the chip. As an example, the distance from the bottom comparator to the top comparator of the converters designed in this work is about 1 mm. Hence, the timing difference between the clock signals of the bottom comparator compared to the top comparator is about 10 ps, assuming the on-chip signal propagation speed is about one third of the speed of light, and that the clock signal is routed from the bottom to ÔØ Ö ¿ Ò ÐÓ ¹ØÓ¹ Ø Ð ÓÒÚ Ö× ÓÒ the top of the comparator array.

To reduce the variation between the components [18, 82]. A complementary approach is DEM, which has been used for a couple of decades in digital-to-analog converters (DACs) [88]. It has been used in stand alone DACs as well as DACs used in ADCs [3, 26, 34, 46]. In the past years some attempts have been made to introduce DEM in ADCs as well, such as pipelined ADCs [63], sigma-delta ADCs [26], and flash ADCs [6, 7, 73]. As with DACs, the introduction of DEM in ADCs improves the spectral properties of the converters [7, 73].

There are models presented where the above error sources are included. In these models, the voltage fluctuations of the reference generator power supplies are also included. ¿º º¿ ÓÑÔ Ö ØÓÖ The timing errors of an ADC mainly originate from four major timing error sources [88]. First we have the signal dependent delay, which is introduced by the comparators. Second, the sampling clock jitter depends on the quality of the off-chip clock signal. The third source is the rise and fall times of the on-chip clock signal.

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A Brief History of Tomorrow: How The Experts Usually Screw Up (Future Forecasting) by Jonathan Margolis


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