Big Think There are only two events in the universe that defy the laws of physics: black holes and the big bang, and while scientists try to explain them, crucial evidence may be eaten up in the meantime. Christophe Galfard's book is "The Universe in Your Hand A Journey Through Space, Time, and Beyond" ( Read more at BigThink.com: Follow Big Think here:YouTube: Transcript - The interesting thing about trying to unravel the laws of nature is that yes, we have found some laws. We understand gravity to some extent. For a long time gravity has told us that nothing can escape the gravitational grip of a black hole. And everything we had known about black holes until the mid-1970s was only related to gravity.
Learn to speak a new language (English, Spanish, Italian, Chinese...) Encyclopedia of Earth CGP Grey How do all the algorithms around us learn to do their jobs?**OMG PLUSHIE BOTS!!**: Bot Wallpapers on Patreon: Footnote: Podcasts: Thank you to my supporters on Patreon: James Bissonette, James Gill, Cas Eliëns, Jeremy Banks, Thomas J Miller Jr MD, Jaclyn Cauley, David F Watson, Jay Edwards, Tianyu Ge, Michael Cao, Caron Hideg, Andrea Di Biagio, Andrey Chursin, Christopher Anthony, Richard Comish, Stephen W. How neural networks really work with the real linear algebra: Music by: Show less FSI Languages Courses Photography Tips, Techniques, and Tutorials How to Photograph Candles With their wide range of shapes, sizes and colours, candles make perfect photography subjects. Learn how to photograph them here. Silhouette Photography Breathe new life into subjects by photographing them in silhouette, removing detail and texture to leave a simple, bold shape on a bright background. What is ISO Speed? A simple explanation of the daunting ISO setting. A Guide to Architectural Photography Architecture surrounds us every day, and is a very popular photography subject.
Speak Languages! A Rooftop Garden is a Fun and Exciting Way to Container Garden. Rooftop Garden Advantages They cool and shade buildings, which reduces the 'heat island' effect of a city. Retains and utilizes rainwater, provides wildlife habitat, and enhances the roof membrane life. Container Gardening The first option for rooftop gardening is container gardening . In rooftop container gardening, few to no modifications are made to the existing roof structure; containers – anything from plastic swimming pools to recycled-wood planters – are placed on a rooftop and filled with the desired soil type and plants. One problem you might face here, is the soil in rooftop containers might thaw on a warm winter day. Also with a rooftop garden, the container material must be carefully considered in places with extreme climates. Green Roofs A great option to explore as an addition to "green houses", is a green roof. This is the second type of a rooftop garden. History Lesson: By the year 1996, 10 million square meters of roofs in Germany had been covered with gardens.
Mylanguages.org 5 Simple Ways to Create a DIY Living Wall Photo: ELT Vibrant living walls are a striking way to infuse a little more green in urban areas (not to mention the air quality health benefits they provide) -- and having your own is easier than you'd think. No space? No problem. These no-fuss kits will let you customize the size, shape, and greens that you grow indoors or out -- from adding a small on-the-wall bouquet to your living room to creating a detailed portrait from teeny succulents. 1. ELT started out making living walls for commercial spaces in Mumbai -- but now you can put their expertise to use in your home with the DIY kits. The super-simple kits come in two sizes, single and double, and mount on an interior wall so you can bring a little bloom to any room in your home. 2. Use one pocket to grow herbs on that small patch of kitchen wall next to your stove, or pair several of the Wally five-pockets for a larger outdoor installation attached to wood, concrete, chain link, or brick surfaces. 3. Photo: Plants on Walls 4. 5.
Learn 46 Languages Online for Free How to learn languages for free? This collection features lessons in 48 languages, including Spanish, French, English, Mandarin, Italian, Russian and more. Download audio lessons to your computer or mp3 player and you’re good to go. Amharic Foreign Service Institute Basic Amharic — Audio — TextbookLessons with dialogues, drills, exercises, and narratives will teach you the basics of this language spoken in Ethiopia. Includes samples of speech, explanations of basic language structures, and a variety of practical exercises. Ancient Greek Ancient Greek Introduction — Web SiteThe UT-Austin Linguistics Research Center provides an overview of Ancient Greek and 10 lessons based on famous Greek texts. Arabic Bookmark our free Arabic lessons section. American Sign Language Introductory American Sign Language Course — YouTubeBy the end of this course you should have a basic bank of ASL words that you are able to use to form simple sentences.
Cheap Do It Yourself Vertical Gardens Vertical gardening is a fun, creative way to grow plants in urban spaces! Below is just a sample of what you can create with ready-to-go planters and kits. The first few images are of GroVert Vertical Gardening Systems by Bright Green. There are two different sized panels (10 and 45), and each are planted, then hung on the wall using their included mounting bracket. The last images are of living walls made from felt pockets. If you’re looking to build one yourself, you can visit Urban Zeal Planters (uzplanters.com) to see all your options.