Habe Mut, Dich Deines Eigenen Verstandes Zu Bedienen.

Habe Mut, dich deines eigenen Verstandes zu bedienen.

Have the courage to use your own mind.

Immanuel Kant (1724 – 1804), German philosopher

(via jedentageinzitat)

More Posts from Evisno and Others

4 years ago
I Believe In Free Education, One That’s Available To Everyone; No Matter Their Race, Gender, Age, Wealth,

I believe in free education, one that’s available to everyone; no matter their race, gender, age, wealth, etc… This masterpost was created for every knowledge hungry individual out there. I hope it will serve you well. Enjoy!

FREE ONLINE COURSES (here are listed websites that provide huge variety of courses)

Alison 

Coursera

FutureLearn

open2study

Khan Academy

edX

P2P U

Academic Earth

iversity

Stanford Online

MIT Open Courseware

Open Yale Courses

BBC Learning

OpenLearn

Carnegie Mellon University OLI

University of Reddit

Saylor

IDEAS, INSPIRATION & NEWS (websites which deliver educational content meant to entertain you and stimulate your brain)

TED

FORA

Big Think 

99u

BBC Future

Seriously Amazing

How Stuff Works

Discovery News

National Geographic

Science News

Popular Science

IFLScience

YouTube Edu

NewScientist

DIY & HOW-TO’S (Don’t know how to do that? Want to learn how to do it yourself? Here are some great websites.)

wikiHow

Wonder How To

instructables

eHow

Howcast

MAKE

Do it yourself

FREE TEXTBOOKS & E-BOOKS

OpenStax CNX

Open Textbooks

Bookboon

Textbook Revolution

E-books Directory

FullBooks

Books Should Be Free

Classic Reader

Read Print

Project Gutenberg

AudioBooks For Free

LibriVox

Poem Hunter

Bartleby

MIT Classics

Many Books

Open Textbooks BCcampus

Open Textbook Library

WikiBooks

SCIENTIFIC ARTICLES & JOURNALS

Directory of Open Access Journals

Scitable

PLOS

Wiley Open Access

Springer Open

Oxford Open

Elsevier Open Access

ArXiv

Open Access Library

LEARN:

1. LANGUAGES

Duolingo

BBC Languages

Learn A Language

101languages

Memrise

Livemocha

Foreign Services Institute

My Languages

Surface Languages

Lingualia

OmniGlot

OpenCulture’s Language links

2. COMPUTER SCIENCE & PROGRAMMING

Codecademy

Programmr

GA Dash

CodeHS

w3schools

Code Avengers

Codelearn

The Code Player

Code School

Code.org

Programming Motherf*?$%#

Bento

Bucky’s room

WiBit

Learn Code the Hard Way

Mozilla Developer Network

Microsoft Virtual Academy

3. YOGA & MEDITATION

Learning Yoga

Learn Meditation

Yome

Free Meditation

Online Meditation

Do Yoga With Me

Yoga Learning Center

4. PHOTOGRAPHY & FILMMAKING

Exposure Guide

The Bastards Book of Photography

Cambridge in Color

Best Photo Lessons

Photography Course

Production Now

nyvs

Learn About Film

Film School Online

5. DRAWING & PAINTING

Enliighten

Ctrl+Paint

ArtGraphica

Google Cultural Institute

Drawspace

DragoArt

WetCanvas

6. INSTRUMENTS & MUSIC THEORY

Music Theory

Teoria

Music Theory Videos

Furmanczyk Academy of Music

Dave Conservatoire

Petrucci Music Library

Justin Guitar

Guitar Lessons

Piano Lessons

Zebra Keys

Play Bass Now

7. OTHER UNCATEGORIZED SKILLS

Investopedia

The Chess Website

Chesscademy

Chess.com

Spreeder

ReadSpeeder

First Aid for Free

First Aid Web

NHS Choices

Wolfram Demonstrations Project

Please feel free to add more learning focused websites. 

*There are a lot more learning websites out there, but I picked the ones that are, as far as I’m aware, completely free and in my opinion the best/ most useful.

7 years ago

Solar System: Things to Know This Week

Mark your calendars for summer 2018: That’s when we’re launching a spacecraft to touch the sun. 

In honor of our first-ever mission to the heart of the solar system, this week we’re delving into the life and times of this powerful yellow dwarf star.

image

1. Meet Parker 

Parker Solar Probe, our first mission to go to the sun, is named after Eugene Parker, an American astrophysicist who first theorized that the sun constantly sends out a flow of particles and energy called the solar wind. This historic mission will explore one of the last regions of the solar system to be visited by a spacecraft and help scientists unlock answers to questions they’ve been pondering for more than five decades.

image

2. Extra SPF, Please 

Parker Solar Probe will swoop within 4 million miles of the sun’s surface, facing heat and radiation like no spacecraft before it. The mission will provide new data on solar activity to help us better understand our home star and its activity - information that can improve forecasts of major space-weather events that could impact life on Earth.

image

3. Majorly Massive 

The sun is the center of our solar system and makes up 99.8 percent of the mass of the entire solar system. If the sun were as tall as a typical front door, Earth would be about the size of a nickel.

4. Different Spin 

Since the sun is not a solid body, different parts of the sun rotate at different rates. At the equator, the sun spins once about every 25 days, but at its poles the sun rotates once on its axis every 36 Earth days.

image

5. Can’t Stand on It

The sun is a star and a star doesn’t have a solid surface. Rather, it’s a ball of ionized gas 92.1% hydrogen (H2) and 7.8% helium (He) held together by its own gravity.

6. Center of Attention 

The sun isn’t a planet, so it doesn’t have any moons. But, the sun is orbited by eight planets, at least five dwarf planets, tens of thousands of asteroids, and hundreds of thousands to trillions of comets and icy bodies.

image

7. It’s Hot in There 

And we mean really, really hot. The temperature at the sun’s core is about 27 million degrees Fahrenheit. However, its atmosphere, the corona, can reach temperatures of 3 million degrees. (That’s as if it got hotter the farther away you got from a fire, instead of cooler!) Parker Solar Probe will help scientists solve the mystery of why the corona’s temperature is so much higher than the surface.

image

8. Travel Conditions

The sun influences the entire solar system, so studying it helps us better understand the space weather that our astronauts and spacecraft travel through.

9. Life on the Sun? 

Better to admire from afar. Thanks to its hot, energetic mix of gases and plasma, the sun can’t be home to living things. However, we can thank the sun for making life on Earth possible by providing the warmth and energy that supply Earth’s food chain.

10. Chance of a Lifetime 

Last but not least, don’t forget that the first total solar eclipse to sweep across the U.S. from coast-to-coast since 1918 is happening on August 21, 2017. Our toolkit has you need to know to about it. 

Want to learn more? Read our full list of the 10 things to know this week about the solar system HERE.

Make sure to follow us on Tumblr for your regular dose of space: http://nasa.tumblr.com

11 years ago
Window Phone Concept
Window Phone Concept
Window Phone Concept
Window Phone Concept
Window Phone Concept
Window Phone Concept

Window phone concept

Is it a window, is it a phone? No. Actually, it’s Window phone and this is the part where you are saying “Whaaat? What are you talking about?”. The phone is actually a concept with extraordinary features. Surely if this could be actually put into production, it would set a new standard for the term “cool”.

10 years ago
The Latest From Brock Davis - Love His Work! 
The Latest From Brock Davis - Love His Work! 
The Latest From Brock Davis - Love His Work! 
The Latest From Brock Davis - Love His Work! 

The latest from Brock Davis - love his work! 

10 years ago
Life Advice From 50 Beloved Characters In Kid’s Entertainment By AAA State Of Play -source-
Life Advice From 50 Beloved Characters In Kid’s Entertainment By AAA State Of Play -source-
Life Advice From 50 Beloved Characters In Kid’s Entertainment By AAA State Of Play -source-
Life Advice From 50 Beloved Characters In Kid’s Entertainment By AAA State Of Play -source-
Life Advice From 50 Beloved Characters In Kid’s Entertainment By AAA State Of Play -source-
Life Advice From 50 Beloved Characters In Kid’s Entertainment By AAA State Of Play -source-

Life Advice from 50 Beloved Characters in Kid’s Entertainment by AAA State of Play -source-

10 years ago
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys
Portraits Of Birds By Laila Jeffreys

Portraits of birds by Laila Jeffreys

11 years ago
evisno - Majormajor
10 years ago
A Glowing Pool Of Light

A Glowing Pool Of Light

"NGC 3132 is a striking example of a planetary nebula. This expanding cloud of gas, surrounding a dying star, is known to amateur astronomers in the southern hemisphere as the "Eight-Burst" or the "Southern Ring" Nebula.

The name “planetary nebula” refers only to the round shape that many of these objects show when examined through a small visual telescope. In reality, these nebulae have little or nothing to do with planets, but are instead huge shells of gas ejected by stars as they near the ends of their lifetimes. NGC 3132 is nearly half a light year in diameter, and at a distance of about 2000 light years is one of the nearer known planetary nebulae. The gases are expanding away from the central star at a speed of 9 miles per second.

This image, captured by NASA’s Hubble Space Telescope, clearly shows two stars near the center of the nebula, a bright white one, and an adjacent, fainter companion to its upper right. (A third, unrelated star lies near the edge of the nebula.) The faint partner is actually the star that has ejected the nebula. This star is now smaller than our own Sun, but extremely hot. The flood of ultraviolet radiation from its surface makes the surrounding gases glow through fluorescence. The brighter star is in an earlier stage of stellar evolution, but in the future it will probably eject its own planetary nebula”

Credit: The Hubble Heritage Team

7 years ago
Uneasiness In Observers Of Unnatural Android Movements Explained

Uneasiness in Observers of Unnatural Android Movements Explained

It has been decades in the making, but humanoid technology has certainly made significant advancements toward creation of androids - robots with human-like features and capabilities. While androids hold great promise for tangible benefits to the world, they may induce a mysterious and uneasy feeling in human observers. This phenomenon, called the “uncanny valley,” increases when the android’s appearance is almost humanlike but its movement is not fully natural or comparable to human movement. This has been a focus of study for many years; however, the neural mechanism underlying the detection of unnatural movements remains unclear.

The research is in Scientific Reports. (full open access)

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