Alex Carvajal

77 Flips | 1 Magazine | 8 Likes | 1 Follower | @AlexCarvaja63c0 | Keep up with Alex Carvajal on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Alex Carvajal”

Alternating Current (AC) vs. Direct Current (DC): What to Know

Electricity is divided into two types of current: alternating and direct. Alternating current alternates its polarity many times a second, while …

CC BY-SA

What Weed Does to Your Brain

Here's what it looks like before, during, and after.<p>In recent years, with the legal status of marijuana shifting, the scientific community has sought …

The Brain

Fitness experts agree that sit-ups are worthless — here are 9 moves they recommend instead

From celebrity trainers working in the trendiest Manhattan gyms to the National Institute for Fitness and Sport in Indianapolis and the US Army training exams, sit-ups are developing a bad reputation.<p>Scientists have discovered that the moves, once a staple of basic workout routines, don't reduce …

Workouts

You make or break your life between 5-7 a.m.

While serving a humanitarian and ecclesiastical mission at the age of 20, I learned potentially the most important lesson of my life. How you spend …

Ralph Waldo Emerson

The 8 most in-demand job skills for 2018 and the online courses you can take to learn them

We live in a technological age — and there is no going back. For anyone looking to get ahead in their career, mastering certain skills is absolutely …

Project Management

Six of the best healthy breakfasts

<b>Ashura cereal with yoghurt and fresh fruit (pictured above)</b><p>Prep <b>15 min</b><br>Cook <b>20 min</b><br>Serves <b>4-6</b><p><b>95ml vegetable oil</b><b><br>110g honey</b><b><br>110g dark brown soft sugar</b><b><br>1 tsp table salt</b><b><br>1 tsp ground cinnamon</b><b><br>½ tsp ground</b> <b>mahlab seeds</b><b><br>½ tsp ground cardamom</b> <b><br>160g puffed wheat</b><b><br>85g pecans</b>,halved<b><br>40g sunflower seeds</b><b><br>50g pumpkin seeds</b><b><br>30g</b> …

Breakfast

4 ways to make small talk without seeming awkward or boring

Whether you're new at the office, solo at a party, or stuck waiting somewhere like an airline gate, you may grow more and more self-conscious the more time passes without starting up a conversation with others nearby.<p>How great does it feel, though, when some preternaturally gifted conversationalist …

Self-awareness

Guys, This Could Be Why Women Seem To Think You're Boring

Guys, you've been in this situation before: You meet a girl out at a bar, and she has an adorable accent.<p><b>You:</b> “Where are you from?”<p><b>Her:</b> “Norway.”<p><b>You:</b> …

Relationships

7 tough lessons people often learn too late in life

Life lessons are full of wisdom because they often have to be learned the hard way. However, the hardest part about that process is realizing that sometimes not every opportunity lasts forever. You finally "get it" long after the fact.<p>If possible, it's best to learn these things sooner rather than …

Self-help

20+ Science Facts We Didn't Know at The Start of 2017

It's been an incredible year for science.<p><b>1.</b> The speed of gravity is pretty much identical to the speed of light! This year, for the first time ever, …

10 books Richard Branson thinks everyone should read

Over the years he has offered up dozens of titles that have kept his attention and helped him grow as a businessman.<p>We can't guarantee you'll follow in the entrepreneur's footsteps, but the books could certainly set you in the right direction.

Books

The 30-Minute Abs Workout Program: Chisel your obliques with rotational moves on day 3

Artiga Photo / Getty<p>Artiga Photo / Getty<p><b>Duration</b> 30<p><b>Exercises</b> 3<p><b>Equipment</b> Yes<p>Most abs workouts are focused on a single motion: contracting your abs as …

A NASA astronaut films his spacewalk — and a breathtaking view of Earth

By Amy B Wang<p>, Reporter<p>On its surface, Earth is chaos. It is traffic jams and the threat of nuclear war and fake news operations trying to punk real ones but owning themselves spectacularly in the process.<p>But launch yourself a couple hundred miles above the atmosphere, and Earth seems a different …

Social Media

What are the options for natural hair regrowth?

When it comes to preventing hair loss or improving the hair that someone already has, there are plenty of natural methods that help.<p>There are a …

Strange and beautiful things under a microscope – in pictures

A competition, now in its 43rd year, dedicated to showcasing the beautiful and bizarre as seen under a light microscope attracted over 2,000 entries from 88 countries. Here’s a selection of the winning and commended images from the 2017 Nikon Small World Photomicrography Competition

Photography

Temperature Is Not What You Think It Is

What is temperature? This question comes up quite a bit—especially in introductory science courses. The most common answer is something like</i> …

Energy from evaporating water could rival wind and solar

A vast source of renewable energy has been sitting under our noses. Evaporating water could supply enormous volumes of clean electricity, if we can …

Take Up This Personal Challenge to Dramatically Improve Your Social Skills

For one year, I would say yes to every social invitation that came my way. No more excuses.<p><i>How do you develop your social skills and improve your social life when you're a naturally shy person? originally appeared on Quora - the place to gain and share knowledge, empowering people to learn from</i> …

14 things ridiculously successful people do every day

Having close access to ultra-successful people can yield some pretty incredible information about who they really are, what makes them tick and, most …

How Pants Went From Banned to Required in the Roman Empire

Six hundred years in the history of trousers.<p>Go to a meeting with any male politician today and you’re almost certainly going to be standing in front …

Top 10 books about consciousness

From octupuses that might be thinking with their arms to early humans’ blind obedience to gods, these are some of the best guides to the deep enigma inside ordinary life<p>What is consciousness? At first blush this question appears to be rather simple, but with further investigation, it quickly …

Consciousness

Octlantis is a just-discovered underwater city engineered by octopuses

Gloomy octopuses—also known as common Sydney octopuses, or <i>octopus tet</i><i>ricus—</i>have long had a reputation for being loners. Marine biologists once thought they inhabited the subtropical waters off eastern Australia and northern New Zealand in solitude, meeting only to mate, once a year. But now there’s …

Zoology

We Now Have an Equation That Explains How The Hell Quantum Chaos Behaves

Even chaos can be predicted.<p>While physicists have managed to wrap their minds around chaos theory in the macroscopic world, chaos also has its way at …

Quantum Physics

Experiment reveals evidence for a previously unseen behaviour of light

Beams of light do not, generally speaking, bounce off each other like snooker balls. But at the high energies in the Large Hadron Collider at CERN they have just been observed doing exactly that<p>Light is useful, versatile and perplexing. We see with it - that is, we make sense of our surroundings …

11 books on the future of humanity that everyone should read

But many writers have imagined the future in their work, inviting us to travel through time.<p>We asked Lynn Lobash, manager of the New York Public Library's Reader Services department, to recommend the books about the future that everyone should read.<p>Here are 11, and you can see more recommendations …

Books

Octopus research shows that consciousness isn’t what makes humans special

Whether or not octopuses should be viewed as charming or terrifying very much depends on your personal perspective. But it’s hard to deny their intelligence.<p>Octopuses can squirt water at an annoyingly bright bulb until it short-circuits. They can tell humans apart (even those who are wearing the …

Consciousness

Ask Ethan: Could The Fabric Of Spacetime Be Defective?

The biggest lesson from Einstein’s general theory of relativity is that space itself isn’t a flat, unchanging, absolute entity. Rather it’s woven together, along with time, into a single fabric: spacetime. This fabric is continuous, smooth, and gets curved and deformed by the presence of matter and …

Laser as bright as a billion Suns alters fundamental physics of light and matter

Physicists from the University of Nebraska-Lincoln have created the brightest light ever produced on Earth, and it could be the first step towards …