Image copyright Science Photo Library Image caption What did the pilots see off the coast of Ireland? The Irish Aviation Authority is investigating reports of bright lights and UFOs off the south-west coast of Ireland.It began at 06:47 local time on Friday 9 November when a British Airways pilot contacted Shannon air traffic control.She wanted…
Back in the 90s and early 00s, when Google Docs didn’t exist yet and devices from Apple weren’t as popular, the primary way to create, edit and share documents and spreadsheets was Microsoft Office and its proprietary .doc and .xls binary formats. At that time working with these files outside of Microsoft’s ecosystem was a…
WhatsApp is the only messaging app among those with over a billion monthly active users, which hasn’t started actual monetisation yet. In November 2016, WABetaInfo, a third-party website that reports on new features found in WhatsApp’s beta releases, reported that WhatsApp was going to launch a Snapchat Stories like feature. I found it very intriguing…
Holt-Winters’ seasonal method Holt (1957) and Winters (1960) extended Holt’s method to capture seasonality. The Holt-Winters seasonal method comprises the forecast equation and three smoothing equations — one for the level (ell_t), one for the trend (b_t), and one for the seasonal component (s_t), with corresponding smoothing parameters (alpha), (beta^*) and (gamma). We use (m)…
Version V1.00 (c) Kevin Edwards 1986-2018 In 1986 I began writing a motorcycle racing game for the BBC Micro, Electron and Master 128 home computers. This game was published by Superior Software in 1987 under the name Crazee Rider. The game is written entirely in 6502 assembly language. The target computers had only 32K bytes…
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You don’t focus as well as you think you do. That’s the fundamental finding of a team of researchers from Princeton University and the University of California-Berkeley who studied monkeys and humans and discovered that attention pulses in and out four times per second. “Our subjective experience of the visual world is an illusion,” said…
Suddenly, I’d become the post-dinner entertainment. I felt myself turning red as seven pairs of eyes stared at me – the girl from the US, now partially hidden inside an oversized fisherman’s jacket, dark green rubber boots and a yellow, broad-brimmed fisherman’s hat that’s known in these parts as a sou’wester’.I was in Seal Cove,…