I was amused by a discussion on-line not long ago where someone asked what did people do before technology, meaning back in the dark days of the 1980s. I chuckled because of the assumption technology is shiny new and millennial. It often comes as a shock to people when you point out the wheel is technology and that tech is nothing more than the application of scientific knowledge for practical purposes, especially in industry (Oxford dictionary).
Attempts by hackers to bring down online systems and compromise valuable data are on the rise. Just last month, one of the largest distributed denial of service (DDoS) attacks ever launched was responsible for making the internet unusable across large parts of the USA, and services at Twitter, Netflix and many other places were forced offline. These attacks are sometimes carried out to steal data. By breaking the systems through hitting them with brute force traffic, they potentially make them more vulnerable to more targeted attacks. Sometimes they are carried out as a warning shot – a show of strength to let someone know that the attacker is serious and has cyber-firepower at their fingertips.
Place this thin layer of plastic in the sun and it begins to oscillate irregularly all by itself. Today researchers from Eindhoven University of Technology (TU/e) and the Humboldt University in Berlin present this material – the first that moves spontaneously under the influence of daylight – in the journal Nature Communications. According to the researchers, this pliable plastic is suitable as a self-cleaning surface, for example for solar cells. Materials that move all by themselves under the influence of light – this phenomenon has been known for a number of years. However, since the source tends to be ultraviolet light, the required intensity can damage the material. The challenge was to find a material that behaves in this way in visible light, preferably unprocessed sunlight. The researchers from Eindhoven and Berlin have now succeeded in producing a thin polymer layer containing light-sensitive molecules (azo-dyes). Lying in sunlight, the thin film begins to oscillate spontaneously and irregularly.
The term white noise is fairly common. People unfamiliar with its technical meaning will describe some sort of background noise, like a fan, as white noise. Less common are terms like pink noise, red noise, etc. The colors of noise are defined various ways, but they’re all based on an analogy between the power spectrum of the noisy signal and the spectrum of visible light. This post gives the motivations and intuitive definitions. I may give rigorous definitions in some future post. White noise has a flat power spectrum, analogous to white light containing all other colors (frequencies) of light.
OCT-5-2017. Mazda Motor Corporation started production of the Mazda MX-5 RF retractable hardtop (known as Roadster RF in Japan) yesterday at Ujina Plant No.1 near its global headquarters in Hiroshima. Production began with models bound for North American and European markets where sales launches begin from early 2017. In Japan, the MX-5 RF will go on sale later this year.
MOUNTAIN VIEW, Calif., June 8, 2017 /PRNewswire/ -- BlueCart, Inc., a leading, cloud-based ordering and customer management platform for restaurants and their suppliers, announced today that it has acquired mobile-first restaurant administration platform Sous for an undisclosed amount. Sous users will be given access to the BlueCart app and its expansive network of industry buyers and suppliers effective immediately. "BlueCart is rapidly innovating to build what we at Sous believe will be an essential part of the restaurant stack," notes Sous Founder and CEO Don J. Kahn. "We're very excited to be working together on this shared vision." Both Don J. and BlueCart CEO Konstantin Zvereff recognize that the real value in this partnership lies in giving more clients access to greater innovation. Sous users are concentrated mainly in New York City – an area where BlueCart has already seen some of its fastest growth over the last two years – and the expansion of market share there, coupled with BlueCart's network effect growth model, gives the company a significant advantage in connecting restaurants and suppliers throughout the region with mobile-first technology. Zvereff states, "Sous offered a great opportunity to add to BlueCart's market share in the New York area. As we continue to see wholesale procurement accelerating on mobile platforms, we saw an opportunity to acquire a mobile-first platform and further accentuate BlueCart's market leadership."
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A few seconds clicking and dragging on this interactive map will change your view of the world forever. The map of the globe we all know is a trick of mathematics. It was designed to simplify navigation for sailors setting out on voyages of discovery centuries ago. Making the world flat In 1569 the Flemish cartographer Gerardus Mercator took our planetary sphere and squashed it flat. One consequence of doing this was to make countries along the Equator appear smaller than they really are. Nations to the far north or south of the Equator appear much larger.
PCs, laptops, Macs, Windows, phones and tablets - everything is 64-bit these days. Even some smartphones are 64- bit. The main reason for the switch from 32-bit is to get past the limit on the amount of memory a 32-bit processor can access. What is 32-bit and 64-bit? Put simply, 32-bit is shorthand for a 32-bit number. This number contains 32 bits (binary digits) which are either 0 or 1. And example could be 10101010101010101010101010101010. A 32-bit processor is - by definition - capable of dealing with instructions and referencing memory locations of 32- bits.