If you want an electrical circuit to send power to an object, like a light, you're going to need resistors. This video, part of an excellent series on basic electronics by Scotty, will teach you how to make a circuit with resistors and an LED light, a real function piece of electronics.
Check out this episode of Addicted2Salsa, where they show you how to perform a basic blind cross-body lead with a loop-over lock salsa move. If you've ever wanted to dance the salsa, this is the place to learn. Julie Merrill and Anthony Persaud or some of the best salsa instructors out there.
The person who can hold a 9v battery on their tongue the longest wins.
Do you have an old uninterruptable power supply you're not using or that's broken? Most people have scads of them these days, and they contain all sorts of useful electronics parts, including all of the stuff to make a little batter charger, which you'll learn how to do by watching this video and checking out the circuit diagram here.
You have to be careful not to accidentally sew in a short circuit when you are working with connective thread. This tutorial shows you how to sew in a connection to an arduino, a buzzer and a battery on a glove.
Measuring the voltage of a piece of electrical equipment is a somewhat dangerous and complicated but necessary process if you want to do any sort of DIY electrical projects. This video will show you how to use a multi-meter to read the DC voltage of a power drill battery, with an emphasis on what you need to do to complete this process safely.
When the screen is dark, your iPhone is still checking e-mail. Watch this electronics video tutorial to learn how to really turn off your iPhone. This will help conserve the battery, and this how-to video will give you tips on how to make sure your iPhone is really off. This video is perfect for new iPhone owners.
If you're a geek, then this power pack will give you a total techgasm. The power pack allows you to charge pretty much anything you can fit into a 12 volt power jack in your car (where the cigar/lighter receptable goes). The power pack is a portable battery, so no need for charging your gadgets - like your cell phone - at home first before you head off to work.
Secretly shoot your voice across the room in stealth mode on a laser beam in this fun and easy project! Make Magazine and Kipkay present this cool spy trick. Build a simple laser communicator that transmits your voice across a room. You need an amplifier, radio, laser pointer, battery pack and a solar cell.
Watch as Novastar and Gundamaniac demonstrate detailed wiring for a crystal focus board for Star Wars Lightsabers! Making your very own Jedi Light Saber may be a daunting task if you don't know what you're doing, but this four-part video tutorial will save the day from evil forces. To start off wiring the CF board, make sure you have your SanDisk on it already.
Make your very own hydrogen (and oxygen) generator with a 9V battery, copper wire, and baking soda (or salt). Why? Who knows. Make sure to check your connections. For more information on this hack, including detailed, step-by-step instructions on assembling your own HHO generator, watch this how-to video.
TOUCHPAD HACK - This video tutorial shows how to transform a touchpad into a useful mini graphics tablet with some simple, everyday items. You will need a 1.5V battery, a small ball bearing, and a Philips head screwdriver. Watch this video tutorial and learn how to transform a touch pad into a miniature graphics tablet.
This confectionery hacking how-to video demonstrates that, with an electric motor, juice lids, battery and sugar, you can make your own cotton candy machine. Don't wait for a carnival or fair to get your next taste of sweet, sweet cotton candy. Watch this video tutorial to see this hack in action and to learn how to build your own bottle-cap candy floss machine.
This how-to video shows how to build your own electric motorcycle; a nice way to change from gas to batteries to save the environment. There is lots of welding, but the key to welding is dropping the piece and checking if it stays together. Spindles and sprockets must align and then you are set. Check out this video customization tutorial and learn how to convert a motorcycle to electric power.
Apple seeded software testers iOS 14.5 public beta 6 today, Wednesday, March 31. The update includes a new battery calibration for iPhone 11, 11 Pro, and 11 Pro Max, as well as two new Siri voices.
In the pursuit of large displays with thinner bezels, Samsung has sacrificed some components. While the loss of the headphone jack gets all the attention, there are other victims — namely, the notification LED.
With more and more phones using OLED displays, the need for dark mode is at the highest it's ever been. Since dark backgrounds reduce battery consumption on these displays, the Android community has been begging Google to include a system-wide dark mode. Instead, Google gave us dark mode for many of their apps, including the Phone app.
When it comes to the sub-$250 price range, the new Nokia 5.1 might be the perfect phone. Of all the new models announced at Nokia's event in Moscow, the Nokia 5.1 offers the most with the least compromises. For a third of the cost of a flagship, you get a phone with a premium build, solid specs, and good battery life.
Huawei's sub-brand, Honor, just announced a pair of new smartphones to help close out the year. We knew the midrange Honor 7X was on its way, but what came as a surprise was the announcement of the Honor View 10 and its impending release in the US. Thanks to Honor, US customers will have even more choices in the flagship market with this new device.
Lenovo unveiled the latest Motorola smartphones, Moto Z and Moto Z Force, today at Tech World '16. As expected, both models include strong magnets on the back that allow users to snap on various Moto Mods attachments such as a battery pack, projector, or JBL speakers.
When you're actively using your phone, a certain amount of battery drain is to be expected. But, if your device is just sitting in your pocket draining its battery, that's when you need to take action.
The Galaxy S5's screen is truly a feat of modern technology. It uses what is known as an AMOLED display—an acronym for Active-Matrix Organic Light-Emmitting Diode. In short, this technology means that every individual pixel on your phone's screen emits its own light. This is a break from the traditional LCD technology that requires a backlight for any pixels to be visible.
There are so many things to love about the Nexus 5, from timely updates to newer versions of Android to a terrific blend of price and specs. But while mobile phone tech keeps churning along, battery technology isn't quite up to snuff yet, and I find myself wishing that my phone's battery lasted longer on a single charge.
Leaving your Wi-Fi radio "on" allows your smartphone to auto-connect to trusted wireless networks in lieu of using cellular data, but it also consumes battery power while it's constantly network hunting.
In this video, I'll be demonstrating how anyone can make their own iodine clock reaction with simple over-the-counter chemicals.
It appears there are endless things you can do with Coke. The Nokia Coke-powered phone is not in production, but certainly an interesting idea. Designed by Daizi Zheng, the Coke phone is an eco-friendly solution to charging your cell.
Playing the drums for "The Immigrant Song" by Led Zeppelin is a great way to not only learn how to play cover songs on drums, but to practice your drumming technique. Learn how to play "The Immigrant Song" on drums in this free drum lesson video series.
In this five part video tutorial you will learn how to play lead blues guitar. Learn how to bend notes, play pentatonic scales, 12 bar blues rhythms and some blues licks. Follow these lessons and you will be playing blues guitar in no time.
Your favorite device is running low on juice and needs a couple new AA batteries—and with a quickness. You run to the store and grab the first pack of AAs you see. But should you? There's tons of options available, so which make and model gives you the most power per dollar?
This video is by Adrian McLaughlin, aka plasticraincoat1 on YouTube, who shows us one of the most magnificent examples of explosive polymerization ever. In the video, what appears to be about 1/2 tsp of p-nitroaniline (which is short for para-nitroaniline, which is also referred to as 4-nitroaniline) is treated with a few drops of concentrated sulfuric acid, in a ceramic dish, over a Bunsen burner flame.
Cyriak's latest animation features '50s stock footage remixed into a horror show. Our dark and twisted animator keeps churning them out, each creepier than the last. Be warned: "a journey into horribleness, not recommended for the faint-hearted or fragile-minded..." More by Cyriak:
Artist Sascha Nordmeyer presents her concept Communication Prosthesis as the “ultimate communication tool,” or the solution to self-expression. Once inserted into the subject's mouth, the prosthesis forces strange (and horrific) expressions.
Here is the movie trailer for "Enter the Void" Talking about "ENTER THE VOID" at Sundance Here is the Crew talking about the film at Cannes Film Festival 2009. Here is the mad paced acid enhanced opening title sequence from "ENTER THE VOID" Can't wait to see this F#@$% up film.
Elaina Love explains why walnuts can be more alkaline after soaked. When you drain the nuts all the brown acids wash away leaving them even more delicious. Soak walnuts for less acidity.
When restoring older wood furniture you will probably encounter dark rings and black spots, which are caused by water stains. Oxalic acid is a moderate bleach that will remove these stains even if they have penetrated the wood surface. Oxalic acid will also remove finish stain applied previously and lighten the wood for a fresh new look. Restoring wood furniture takes time and patience, but the results of your labor can be enjoyed for years, even generations. The restoration process usually i...
Eat wonderful peaches all year long. Freezing fruit is easy and a great ways to preserve and retain nutrients. Freeze your peaches now and thaw them when you are ready to make a peach pie or smoothies. This is the perfect way to make the most out of your fruit.
Apple just seeded developers the sixth iOS 14.5 beta today, Wednesday, Mar. 31. The update includes a calibration for battery health measurements for the iPhone 11 line, as well as two new Siri voices.
The newly-announced Moto G7 Play offers some of the same upgrades as its sibling, the Moto G7, but at a much lower price. The upgrades are pretty significant when compared to last year's Moto G6 Play, taking this phone from the "only if you're on a strict budget" category into a great value option.
When Chan Mei Zhi Alcine chose her senior project, she thought outside the box by thinking inside the bottle. Along with a research team at her university, she found a way to combine health and enjoyment, while meeting a challenge not so definitively met before in alcoholic beverages. She and a research team at her university claim they've created the world's first probiotic sour beer.
Yogurt is more than an excellent source of protein, calcium, and gut-healthy probiotic bacteria. A protein isolated from probiotic lactobacillus bacteria in yogurt is capable of inhibiting drug-resistant bacteria.
