The Tesla Coil is an iconic invention that remains notable because of its dazzling electric show. It’s also a great exhibit for electrical theory.
Here is an interesting project for kids that explores both electricity and magnetism – build a simple electromagnetic train! This intriguing video has been making it’s way around Facebook… it’s a simple electric “train” made out of coiled copper wire and a train car comprised of a battery with magnets on both ends. It was […]
Over-consumption is at the root of the planet’s environmental crisis. One solution, proposed by author JB MacKinnon, is that we should simply buy less. But would that really work?
These topics have already been covered in various posts on our blog, but I’m pulling everything together here for easy reference. Our blog now has 1,460 blog posts and it’s getting more difficult to…
A SIMPLE explanation of Lenz’s Law of Electromagnetic Induction. We discuss what Lenzs Law is, relate it to Faradays Law, and go over Lenz's Law formula. You'll also learn ...
Working on a principle that's about as old as mankind itself, the Nave Air Conditioning System uses terracotta's evaporative cooling abilities to naturally regu
Of all the great DIY projects at this year's Maker Faire , the one project that really caught my eye involved converting a regular old $60 router int
It’s called HomeBiogas, and the company behind it claims it will change the world. It works by using bacteria to decompose household waste, such as food scraps and pet litter, producing biogas which can then be used as run of the mill cooking gas. The HomeBiogas, which is 100% off the grid and requires zero electricity, […]
This integrated rooftop solar system could be the future of solar energy. Combining PV and thermal systems creates a dual purpose solar roof which produces electricity and heat for the building. Though it's in testing
Chakra improving Therapy is a safe, non-invasive and painless treatment for various injuries, bone improving and pains. It has been widely adopted by people in worldwide countries for its security. Currently, there are more and more Chakra improving devices sold on the market. You may be confused about which Chakra improving device to choose. We chose the top 5 on the market and did
What if a disaster knocks out the power to your home, leaving you without a refrigerator? Here are nine ways to keep your food cold.
These powerless gadgets will help you cook from scratch and put up your harvest without spending money on electricity.
Want to run Linux on Android? Here are methods for both unrooted and rooted devices to get a Linux desktop running on your phone.
When it comes to breakfast, there are many different opinions on what is the healthiest way to start the day. Some people believe that juicing or eating a big bowl of oatmeal is the best way to go, while others think that starting the day with eggs or bacon is the way to go. However you feel about breakfast, one thing everyone can agree on is that starting your day with a nutritious meal is important. If you're looking for some ideas for alkaline breakfast foods, keep reading! If you're following an alkaline diet, you probably already know that there
(元記事)http://www.boredpanda.com/scifi-girl-robot-traveling-artbook-simon-stalenh…
How to Install Electrical Outlets in the Kitchen
These paper plate mazes inspire kids to have lots of fun with magnets. They'll have even more fun learning to build them as they work on STEM skills!
I love Raspberry Pis. My buddy introduced me to them about three years ago, around when the pi 2 came out, and I fell in love. Currently I have about 4 running some type of home network system…
Update March 24: The Cleveland Clinic has given us permission to host this graphic on A-Fib.com for the viewing and printing by our readers. Print and
When in-cabinet power doesn’t already exist, running an outlet to the back cabinet wall to connect your Docking Drawer is quick, easy and affordable. Here’s what you need to know.
Take a peek inside.
[Johannes] has been reading Hackaday for years but this is the first project he's tipped us off about. It's a laser engraver built from a DVD burner diode (translated). It turned out so well we wonder...
Here is a fun little tip for containing the mess when using iron filings and magnets with kids! We have been studying about magnets in the middle boys’ science book. It’s always fun to use iron filings to see the lines of a magnet’s magnetic field, but with a 4 year old and a toddler […]
Refrigerators are the biggest energy suckers outside of air-conditioning units. So if you want to go off the grid the biggest challenge will be to get rid of the fridge!
Scratch is the world-leading visual programming language, created by the boffins at MIT. It’s designed to help kids of all ages learn about computer science within minutes. We think it’s rather cool, and it’s been a core part of Raspberry Pi’s software offering since day one for very obvious reasons. We’ve been working for a while now to […]
(EDIT: This challenge is closed. If you’re interested in sending a request, please refer to my blog for a link to the current one.) Now that I've finished off the old challenge, it's time for Palette...
$1 DIY Conductive Ink and Paint From Fire! (non Toxic, Homemade, Cheap): Turn fire into electronic conductive ink, build electronic circuits, create paper musical instruments and inputs for your Arduino board! UPDATE (08/18/2014) If you would like to avoid the process of making your own charcoal and blending it into a p…
I love Raspberry Pis. My buddy introduced me to them about three years ago, around when the pi 2 came out, and I fell in love. Currently I have about 4 running some type of home network system…
A great wireless networking setup is the cornerstone of a home or apartment, because no one wants to be chained to a desktop if they don’t have to be.
Ever wonder what the power grid looks like? This map of the USA shows the 3 main grids which distribute electrical power across the nation. It includes information on voltages, and AC (alternating current) and
Stay connected to family and friends by sharing the LittleThings that spark joy.
Read our latest blog, Today's Essential Teaching Image: Cardiac Tamponade
Long before refrigerators were invented, people used different methods to chill their food so that it would last longer... [read more]