H L

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Valerie N. Peters

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Thatcher effect: The 35-year-old optical illusion that will work on almost anyone

A 35-year-old optical illusion is still astounding people. And it all revolves around a rotated picture of Margaret Thatcher.<p>But, as with many …

Margaret Thatcher

Was Einstein Wrong?

Last week's announcement of the direct detection of gravitational waves proved, once again, the enduring power of Albert Einstein's scientific vision. Once again, Einstein was right in that this theory accurately predicted the behavior of the world.<p>But with last week's triumph, a deep and …

Why Not: A Sorting Algorithm Based on the Fake-Theory of Intelligent Design

What computer science textbooks don't want you to know.<p>Sorting algorithms are among the most fundamental algorithms in computer science. Sorting is at the very heart of data or even just information in general. Search algorithms usually grow from sorting algorithms, for one thing, and that's about …

Algorithms

3 hurt as yacht strikes whale near Fish Hoek

Tammy Petersen, News24<p>Cape Town - Three people were injured when their yacht struck a whale near Fish Hoek on Saturday.<p>NSRI Simon’s Town station …

Cape Town

EvilFOCA – Network Attack Toolkit

Evil Foca is a network attack toolkit for penetration testing professionals and security auditors whose purpose it is to test security in IPv4 and …

Information Security

How to Automate Your Home With Raspberry Pi and IBM Cloud | Education

This tutorial will show you how to build a simple Raspberry Pi home automation system that will allow you to control appliances in your home from …

Raspberry Pi

Major zero-day security flaws in iOS & OS X allow theft of both Keychain and app passwords

Researchers from Indiana University and the Georgia Institute of Technology said that security holes in both iOS and OS X allow a malicious app to steal passwords from Apple’s Keychain, as well as both Apple and third-party apps. The claims appear to have been confirmed by Apple, Google and …

Minnesota Is Where You Will Find The New Solar Gold Rush

Minnesota, the land of 10,000 lakes, is also the epicenter of a solar energy boom. Both SolarCity and SunShare announced plans this week to build solar power projects as part of a new state program to make solar electricity available for purchase to renters and others who don’t want to or can’t …

Solar Power

Harvard neuroscientist: Meditation not only reduces stress, here’s how it changes your brain

At that point, I was doing my PhD in molecular biology. So I just switched and started doing this research as a post-doc.<p><b>Q: How did you do the</b> …

Mindfulness

The machines that rose to DARPA's robotics challenge

The robot apocalypse has been postponed. At DARPA Robotics Challenge in California, where the world's best and brightest robots came to compete, the machines were far from invincible. They moved at a glacial pace, stumbled and slammed to the ground and lay there motionless until their teams of …

Robotics

Microscopic Adventures of a Chip Circuitry Repairman

<b>As Moore’s Law continues dictating the pace of technology innovation, it’s driving computer chip engineers into an uncharted world that is</b> …

Engineering

Sydney scientists claim ‘cool roof’ breakthrough could keep cities cooler, greener

As India emerges from what is shaping up to be the world’s fifth deadliest heatwave, scientists from Sydney’s University of Technology (UTS) claim to …

Clean Energy

Numeric matrix manipulation - The cheat sheet for MATLAB, Python NumPy, R, and Julia

At its core, this article is about a simple cheat sheet for basic operations on numeric matrices, which can be very useful if you working and …

How to stop your roommate snoring: the pillow method

A video has gone viral online showing a dramatic but effective way of dealing with a troublesome snorer<p>There are all manner of recommended tips to cure snorers of their noisy nocturnal habits, from nasal strips to avoiding alcohol. But sometimes the most straightforward methods are the most …

Genuine Love: Four Elements of Love (Practices for Awakening the Heart), 2 of 2

Whether you and your partner are just getting started in building your love relationship, or struggling to get back the love and connection that once …

7 Ways To Get High Naturally Without Drugs Or Plants

We’ve all been guilty of turning to those good old vices or unhealthy addictions to find relief from stress, sadness, or frustration. Those times …

This awesome graphic of all lifeforms will make you feel tiny

"LIFE ON EARTH IS ONE BIG EXTENDED FAMILY!" is the greatest lesson from evolution, Leonard Eisenberg shouts at the top of his website EvoGeneao.com, which he says stands for Evolutionary Genealogy.<p>Eisenberg created the graphic below to counter the creationist themes he's seen spring into science …

Extinction

How to Stop Worrying

Ever feel like you can’t turn your brain off? Worried about how to stop worrying? We all deal with this when life gets challenging.<p>There is a way to …

Mindfulness

Top 10 Java Multithreading and Concurrency Best Practices

Writing concurrent code is hard and and testing correctness with concurrency is even harder. Though Java programming language provides lots of …

Why Can’t I Fall Asleep?

<b>Sleep Saboteur #1: A Hot Bed</b><p>Sure, during sex you want things to heat up. The rest of the time, though, you should keep your cool. Keeping your thermostat between 68° and 74°F promotes solid slumber, says psychiatrist and sleep specialist Tracey Marks, M.D., the author of <i>Master Your Sleep</i>.<p>Your body …

Meteor Raises $20M To Build The One JavaScript Stack To Rule Them All

The competitive landscape for app development tool providers keeps getting tighter, with Meteor Development Group raising $20 million for its stack of frameworks and tools for developing web and mobile applications in JavaScript.<p>The round, led by Matrix Partners with investments also coming in from …

JavaScript

How to choose machine learning algorithms

How to choose algorithms for Microsoft Azure Machine Learning<p>15 minutes to read<p>Contributors<p>The answer to the question "What machine learning …

40 Key Computer Science Concepts Explained In Layman’s Terms

Software developer Carl Cheo, founder of technology blog Carlcheo.com, knows what he’s talking about when it comes to computers! So, to help those of …

How to Be More Productive and Eliminate Time-Wasting Activities by Using the 'Eisenhower Box'

Dwight Eisenhower lived one of the most productive lives you can imagine.<p>Eisenhower was the 34th president of the United States, serving two terms from 1953 to 1961. During his time in office, he launched programs that directly led to the development of the Interstate Highway System in the United …

Time Management

How Do I Know If I Should Take A Job At A Startup?

<b>Editor’s note:</b> <i>James Altucher is an investor, programmer, author, and several-times entrepreneur. His latest book is “Choose Yourself Guide To Wealth”</i><p>Imagine if someone asked “would you invest in this company?” Your answer is going to be similar. With a few additions.<p>Here’s the checklist I would …

Startups