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How To Not Go Off The End Of The Runway, In 5 Easy Steps | Boldmethod

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If you’re like us, you’re not too interested in going off the end of the runway. Here are 5 simple steps to understand density altitude, and to make sure you have plenty of runway for your next takeoff.

1) What the heck is density altitude?

Density altitude is a measure of how ‘thick’ the air is, and it’s based on a few factors: atmospheric pressure, temperature, and humidity.

The technical definition of density altitude is “pressure altitude, adjusted for non-standard temperature.” What that really means is on hot days, the air is much ‘thinner’, or less dense, than it is on cold days.

Why does that matter? It’s a big factor in your airplane’s performance, because when the air surrounding your plane is less dense, it means your wings, propeller, and engine will have a lot less performance, and it will take you more time to get airborne during takeoff.

Source: How To Not Go Off The End Of The Runway, In 5 Easy Steps | Boldmethod

Ireland aims to be coding king of the world with school training scheme – Independent.ie

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Ireland aims to be the world leader in a global computer science programme for school children.

Source: Ireland aims to be coding king of the world with school training scheme – Independent.ie

The Hour of Code is a one-hour introduction to computer science, designed to demystify code and show that anybody can learn the basics.

Taking place from December 7-13, the Hour of Code is being coordinated in this country by its Irish partners, Excited – The Digital Learning Movement, with the Irish Independent as its media partners.

The Hour of Code aims to pass on skills to children by introducing 100m students to computer science.

Former junior education minister Ciaran Cannon is the founder of Excited – The Digital Learning Movement.

The Fine Gael TD says the movement has a specific target in mind this year.

“Last year, Ireland staged the second most Hour of Code events per capita in the world. This year we can be first,” he said.

Facebook Will Now Notify You If It Thinks Your Account Is Being Hacked By The NSA : PERSONAL TECH : Tech Times

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Facebook has announced it will send a notification to users if it believes that suspected attackers working in behalf of a nation-state have compromised their accounts. The company believes these attacks are more dangerous and advanced than others.

Source: Facebook Will Now Notify You If It Thinks Your Account Is Being Hacked By The NSA : PERSONAL TECH : Tech Times

Facebook has incorporated a feature that its users do not really want to see in action: a notification that will alert them if the company believes that suspected attackers working in the interest of a nation-state have gained unauthorized access to their accounts.

A blog post has been shared by Facebook on Oct. 16, saying the protection of its users accounts is more important than anything else, which is why it continuously monitors malevolent activities and provides a multitude of options to safeguard user accounts.

“While we have always taken steps to secure accounts that we believe to have been compromised, we decided to show this additional warning if we have a strong suspicion that an attack could be government-sponsored,” says Alex Stamos, chief security officer at Facebook.

Why Tipping Is Wrong – The New York Times

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For decades, tips have been the excuse not to pay restaurant workers even a minimum wage.

Source: Why Tipping Is Wrong – The New York Times

BERKELEY, Calif. — THE announcement on Wednesday by the New York restaurateur Danny Meyer that he was eliminating tipping at his restaurants shows that he understands the impact tipping really has: It has created a two-tiered wage system with deep social and economic consequences for millions.

Mr. Meyer’s move to establish a transparent, fair salary for his staff is laudable, and I hope it will help set a new standard for the industry. But to achieve change across the restaurant business nationwide, we need reform to the law that has created a lower minimum wage for tipped workers…

Ibrahim Index: Democracy in Africa remains stagnant as Zimbabwe makes progress | Africa | DW.COM | 05.10.2015

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Mauritius has retained its top slot as the leading democracy in Africa, while Somalia lagged at the furthest end, according to the 2015 Ibrahim Index of African Governance (IIAG).

Source: Ibrahim Index: Democracy in Africa remains stagnant as Zimbabwe makes progress | Africa | DW.COM | 05.10.2015

Lack of computers in schools may be a blessing – OECD report

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Intense computer use in class linked to ‘significantly poorer student performance’

Source: Lack of computers in schools may be a blessing – OECD report

Ireland has one of the lowest rates of internet use in schools in the world but, ironically, it may be doing students more good than harm, according to a global study published on Tuesday.

The report by the educational wing of the OECD into the impact of computer and internet use on test scores shows there is “no appreciable improvements in student achievement in reading, mathematics or science in the countries that had invested heavily in ICT [Information and Communications Technology] for education”.

Ireland is ranked fifth from the bottom for use of ICT in schools, and fourth from the bottom for the use of ICT for schoolwork at home, the report shows. Irish teenagers spend on average 16 minutes on the internet at school during weekdays compared to an OECD average of 25 minutes, and a high of 58 minutes in Australia…

New vaccine may end the biggest Ebola outbreak in history | Daily Maverick

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New vaccine may end the biggest Ebola outbreak in history | Daily Maverick.

Over a year – and 11,279 reported deaths – since the beginning of the Ebola outbreak, the first effective ‘armour’ against the virus has been developed. The VSV-ZEBOV vaccine showed 100% efficacy in offering protection from Ebola virus, according to preliminary results published in the Lancet on Friday. The vaccine is the result of a massive collaborative effort between the Guinean Government, World Health Organization (WHO), Doctors without Borders and others.

Beginning in March, the trial involved over 4,000 volunteers, all of whom had come into contact with Ebola patients. The participants were randomly divided into two groups. The first – the intervention group – immediately received the vaccine. To test the protection conferred by the vaccine, those in the second, or control, group were given the vaccine three weeks later. (Usually the control group is only given a placebo; however, this was decided against for ethical reasons).

Within 10 days of receiving the vaccine, both groups developed protection against Ebola…

Is ‘China in Africa’ something to fear? – The Washington Post

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Is ‘China in Africa’ something to fear? – The Washington Post.

Should the West fear China’s growing influence on the African continent? While there is no question that China and Chinese companies are changing the way African politicians seek aid and investment, the relationship between the two sides is far more complicated than simple narratives about “democracy or dictatorship” or “trade not aid” suggest. Veteran journalist Howard W. French explores this complexity in his book, “China’s Second Continent: How a Million Migrants are Building a New Empire in Africa.” He graciously took the time to answer my questions about the book and China’s role in Africa.

LS: Much of the discourse in American politics is that the U.S. should be afraid of China’s role in Africa because China is undemocratic or “trying to take over.” Is this a fair approach? Why or why not?

HF: I’m afraid the American discourse on China and Africa is very confused and generally not very insightful. Part of that is driven by the recent, still startled realization in this society of just how serious a competitor China is becoming, and part of that reflects the baggage of very old and nearly immutable American attitudes toward Africa, which are bound up in paternalism and in using Africa as a kind of vanity mirror to help us brighten our own self-image and feel better about ourselves…

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