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Cecily Cecily

Writing Worth Reading

Fasinatng History of Autocorrect

The early Microsoft Word had a feature called ‘glossary’ which allowed a writer to insert stock phrases using short-cuts. Soon a Microsoft scientist twigged that ‘glossary’ could also remedy common spelling mistakes, and that the space bar could trigger substitutions automatically. Autocorrect was born. Not everyone was happy: “Goldman Sachs was mad that Word was always turning it into Goddamn Sachs(3,030 words)

An Interview With Martin Rees, Astronomer Royal

Conversation about life and the Universe. “Future evolution is going to take place not on the Darwinian time scale, of natural selection, but on the technology time scale, because we’re obtaining the capacity to modify the genome. If there are communities a few centuries from now living on other planets, we’d surely wish them good luck in deploying all known science to adapt to an alien environment” (5,377 words)

The Man Who Saved The Dinosaurs

Yale paleontologist Robert Ostrom transformed our understanding of dinosaurs. Before his work in the 1970s they were seen as “plodding, thunderous monsters, cold-blooded and stupid”. He showed them to “have been fleet-footed, highly predaceous, extremely agile”, covered in feathers and related to birds. His view of birds as living dinosaurs, revolutionary when first presented, has become mainstream (2,385 words)

Visualising Algorithms

Wonkish and beautifully illustrated. “To visualise an algorithm, we don’t merely fit data to a chart; there is no primary dataset. Instead there are logical rules that describe behaviour. Algorithms are a reminder that visualisation is more than a tool for finding patterns in data. Visualisation leverages the human visual system to augment human intellect: we can use it to understand abstract processes, and perhaps other things, too” (6,760 words)

The Real 10 Algorithms That Dominate Our World

An algorithm is a “well-defined computational procedure that takes some value, or set of values, as input and produces some value, or set of values, as output”. The first stage in data processing is usually to get the input values sorted — which is why Merge Sort, invented by John von Neumann in 1945, is probably the hardest-working algorithm in the world today, along with its close cousins Quick Sort and Heap Sort (1,900 words)

The Hack That Saved Apollo XIII

An oxygen tank blew up in the Service Module; the moon landing was aborted; the astronauts moved to the Lunar Module. But the Lunar Module was equipped to sustain two men for 36 hours; not three for 96 hours. Carbon dioxide would kill them. What could they do? Here’s what they did: A 19-stage kludge to improvise new scrubbers for the air filtration unit. And of course it required a roll of duct tape (1,050 words)

Diffusers Of Useful Knowledge

The word “scientist” was invented only in 1833, to characterise a new breed of practical hobbyists and experimenters and to distinguish them from “natural philosophers” who saw science as a “moral, cosmological and metaphysical” enterprise. The early 19C was a golden age for popular science, much of it baloney, but the enthusiasm for speculative theories prepared the ground for the real revolution of Darwinism (1,000 words)

Game Theory Of Life

Computer scientists say an algorithm used for 50 years in game theory and machine learning mirrors perfectly equations used to describe the distribution of genes within a population of organisms. Evolution can be seen as a repeated game in which the winning strategy for creating the most robust population is to favour not only immediate fitness, but also diversity as a hedge against future uncertainty (1,766 words)

Why Your iPhone Earbuds Always Get Tangled

Because physics. Strings knot themselves spontaneously. And here’s a scientific paper to prove it: “Spontaneous Knotting Of An Agitated String” by Dorian M. Raymer and Douglas E. Smith of the University of California at San Diego. “A cord shorter than 46cm will almost never tangle itself when sealed inside a rotating box for a period. But between 46cm and 150cm the probability of a knot forming rises dramatically” (630 words)

I Don’t Believe Robots Will Eat All The Jobs

Venture capitalist counsels caution. “Robots and AI are not nearly as powerful and sophisticated as people are starting to fear. With my venture capital hat on I wish they were, but they’re not. There are enormous gaps between what we want them to do, and what they can do. There is still an enormous gap between what many people do in jobs today, and what robots and AI can replace. There will be for decades” (1,900 words)

Eccentric Genius Whose Time Has Come

Norbert Wiener is remembered as the father of cybernetics — the merging of mathematics and engineering into control systems for automation. But in many respects he was too far ahead of his time. His visions of a computerised and robotised future, implausible 50 years ago, are all too plausible now. He warned that smart machines would evolve beyond human control, and make their own decisions (1,400 words)

David Deutsch’s New Theory of Reality

Pioneer of quantum mechanics proposes “constructor theory”; said to be “simpler and deeper than quantum mechanics, or any other laws of physics”. Constructor theory “forms a bedrock of reality from which all the laws of physics emerge”. Fundamental principle: “All laws of physics are expressible entirely in terms of the physical transformations that are possible and those that are impossible” (1,340 words)

The Wormhole Actualization Machine

What’s it like to get sucked into a black hole and travel at hypersonic speed? Find out by building a Wormhole Actualisation Machine. You will need an Arduino, 120 LEDs, an infinity mirror, and lots of fiddly bits: “Not counting SPI pins for the wormhole LEDs, the I2C for the three 7-segment displays, and serial TX/RX for the sound module, I needed 54 additional I/O pins for all the switches, buttons, and knobs” (4,000 words)

Why We Don’t Destroy Smallpox

Smallpox was eradicated in 1980, but labs in the US and Russia still hold virus samples. If those escaped, smallpox could spread again. So why not destroy them? Five reasons: America and Russia don’t trust each other; other countries might have hidden stocks; smallpox could survive in dead bodies; we might yet learn things from the samples; the virus could be synthesised from public information (930 words)

Major Blunders In Modern Astronomy

The history of astronomy is “littered with ideas that once seemed incontrovertibly right and yet later proved to be bizarrely wrong”, starting with the ancient propositions that the Earth is flat, and at the centre of the universe. But grand errors continued into modern era — in the search for exoplanets, for example — perhaps because astronomers, relative to other scientists, work with relatively little data (820 words)

Quantum Or Not?

A Canadian company called D-Wave sells quantum computers. Even though nobody is quite sure how quantum computing works; nor is it generally agreed that quantum computing is taking place inside D-Wave’s black boxes; not is it clear how anyone could be sure that quantum computing was taking place in there, even if it were. Besides which, D-Wave does it differently from anybody else. Now read on (2,877 words)

Beauty And Truth: A False Equation Pick of the day

Einstein said that “the only physical theories that we are willing to accept are the beautiful ones”. But what can “beauty” mean, in science? In practice it seems to connote qualities such as simplicity, inevitability, symmetry. But this is a strange idea of beauty; we usually associate beauty with degrees of complexity and surprise. “Our galleries are not, on the whole, filled with paintings of perfect spheres” (3,050 words)

Stretch Genes

Polite but firm slapping-down of Nicholas Wade’s book, A Troublesome Inheritance: Genes, Race and Human History, which argues that “human races likely differ in social behaviour for genetic reasons as a result of recent evolution”. There are divergences between the genomes of population groups on different continents; but Wade produces no evidence that this causes, or is caused by, different patterns of behaviour (3,680 words)

The Trick That Makes Google’s Self-Driving Cars Work

Google cars drive safely in Mountain View because Google loads them with perfect models of the terrain. “It might be better to stop calling what Google is doing mapping, and come up with a different verb to suggest the radical break they’ve made with previous ideas of maps. I’d say they’re crawling the world, making it legible and useful to computers”. It will be a long job; but Google is playing a long game (2,080 words)

My Day As A Robot Pick of the day

What it’s like to attend a conference via a telepresence robot: Surprisingly satisfying. Even though you are just a screen on top of a scooter, people notice you, you can work the room, line up to ask a question, see and be seen. “I feel genuinely transported, and I’ll remember it much more as time spent at a conference than as time spent sitting in front of my computer. I ride around and wonder who I’m going to talk to next” (3,250 words)

The 3% Solution

Scientists investigating cognitive decline in old age have found a genetic variant that appears to raise intelligence by the equivalent of six IQ points. The variant, GL-KS, is based on a protein called klotho, which doubles the brain’s memory- and learning-circuits. Many claims about smart genes are flaky; this one seems robust. The finding was reproduced in three studies and tested on mice (Metered paywall) (777 words)

Objects Of Desire

Why were old scientific instruments so beautiful, when modern ones are merely functional? Partly it’s a selection effect: the most beautiful old instruments are the ones that get saved. They were built by general craftsmen, who brought their own aesthetic to bear. And they were used for demonstrations to noble patrons. They had to look the part. “Elegance was a key attribute of the courtly natural philosopher” (1,116 words)

Facial Recognition Technology

It’s getting scary. Facebook unveils technology which is better than humans at recognising faces. Tesco plans in-store cameras which will recognise customers and pitch products accordingly: “Brands deserve to know not just an estimation of how many eyeballs are viewing their adverts, but who they are, too”. SceneTap’s cameras tell you which nearby bar is packed with people of the right gender and age (2,100 words)

Restoring Technology After The Apocalypse

Book extract. Astrobiologist “distills the information survivors would need to recover if society were ever to collapse”. Here: How to re-invent photography, using eggs and a silver spoon. “First, coat a sheet of paper with egg whites containing some dissolved salt, and allow it to dry. Now dissolve some silver in nitric acid, which will oxidize the metal to soluble silver nitrate, and spread the solution over your prepared paper” (1,600 words)

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