How To: Demonstrate static electricity with a balloon
Objects become charged when rubbed against one another. This happens because negatively charged electrons flow from one object to the other.
Objects become charged when rubbed against one another. This happens because negatively charged electrons flow from one object to the other.
When Samsung announced its new Super Fast Charging 2.0 system was based on USB PD, the industry rejoiced. By using an open standard, Galaxy users could pick from hundreds of third-party chargers in addition to first-party options from Samsung. Trouble is, this never came to fruition.
Second-generation AirPods just went on sale with the best prices since Black Friday's deals. So if you missed your shot at snagging a set of AirPods with the Charging Case or Wireless Charging Case, you've got another chance. But you'll need to act quickly to take advantage.
It wouldn't be iPhone season without a new controversy. Chargegate, Apple's latest PR nightmare, is the name being used for charging issues on some iPhone XS and XS Max devices. If you plug in your iPhone at night — or whenever — then wake up or come back later and see that your iPhone has even less battery power, you're affected. But there is a fix you can implement right now.
Today could mark the beginning of a new age in wireless charging. The FCC has certified the WattUp transmitter, a revolutionary technology that could shape the future of smartphone charging. This new tech addresses many of Qi charging's limitations, and if things go right, may lead to a truly wireless future.
If you own a Pixel or Nexus device, Project Fi is a great alternative for cellular service outside of the four major US carriers. Project Fi is a Google-managed MVNO, providing service primarily through the T-Mobile and Sprint networks. One of the biggest mysteries on Fi is which network you're connected to at any given time, but there's a simple solution.
Innotek, an LG subsidiary, announced today (link is in Korean) that it has developed a 15-watt wireless charging module that can recharge a battery three times faster than other wireless chargers available on the market.
Not all batteries are created equal, but one thing's for sure—they all lose capacity over time. Thankfully, the advanced lithium-ion batteries in your MacBook and iPhone are meant to last for several years before they begin to lose their overall charge capacity.
Why do we still need to plug in our phones to charge them? Wireless charging exists, and has for quite some time, but most manufacturers don't include it in their devices. When it comes to the Samsung Galaxy S4, you can buy a QI-compatible wireless charging kit, but between the charging pad and the battery cover, you're looking at around $90 or more.
We've all been there. Your phone's either dead or barely hanging on with a few minutes of life left, and you only have a small window of time to charge it before you need to head out. Sure, you can charge it for the few minutes you have, but what's the point if your device is going to die again in several minutes?
Most of us have a designated spot where we like to charge our devices, but no one likes to look at a giant, tangled mess of cords. That's why inductive chargers are so awesome. They allow for wireless charging, and are a lot easier on the eyes. But what if you don't even want to leave the charging module sitting out? This relatively simple hack by YouTube user lobbamobba lets you hide the charging module inside a nightstand or other piece of furniture so that you can juice up your device with...
This video shows how easy it is to jump start a car properly. Locating the car manual is the first thing to do. It will help for that particular car. Inspect the dead battery. If the battery is cracked or if the liquid inside of it is frozen, don't jump the cars. The battery could explode. Position the cars so that the batteries are as close as possible. Connect the positive cable (red) to the positive terminal (+) of the dead battery. Connect the other positive cable to the positive terminal...
In this video, we learn how to use high voltages using the Wimhurst machine. First, you must have a spinning wheel, double ended brushes, collecting combs, leyden jars, adjustable electrodes, and small metal plates. Once you connect all these together, you will notice the brushes on either side are perpendicular to each other and the wheel spin in opposite directions. Spin the wheel and then listen to the sound it makes. The plate will then charge with different electrons and create positive ...
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.
It may be intended as a toy, but this gizmo can be hacked for more than just watching a remote-controlled car's video spy cam. This HUD (heads-up display) comes with the Wild Planet Spy Gear Video Car, but it's said that you can purchase the video headset separately. And it's not really a HUD, because you can't see through the video images, but it's close enough to be handy for all sorts of things, like computers, iPods, robots, wireless cameras, and gaming. Who wouldn't like to Call of Duty ...
Create an effect in your video where the video footage is converted to black & white, pauses, and resumes playback in regular color. This effect is demonstrated by Aharon Rabinowitz with Spy Photo, a brand new set of free presets for Adobe After Effects.
A lot of customers thought that one can place the Micro Mosquito on the base (which looks like a Helicopter Landing Pad) and it will be charged. No, there is a charging cord underneath the charging base that is used. All you need to do is to unlatch the cover and connect to the Mirco Mosquito. When connected properly, the green LED light will flash and once charged, the green LED will stop flashing. This video walks you through the process.
To get the Guerilla Tactics achievement / trophy in Bulletstorm, you must execute 25 skillshots in a single Echoes map. Skillshots are the most fun part Bulletstorm. This video will give you a handy step-by-step guide to getting the achievement in Collapsed Building.
2019 has been a great year for smartphone batteries. Several phones have topped the 5,000 mAh threshold, and Apple finally went all in on 18 W USB PD charging, which means millions of new users are finally taking advantage of fast charging. All of this gets even better when you have the right charger.
If you or someone you're shopping for has a newer iPhone model or an Android smartphone like the Galaxy Note 9 or Pixel 3, they come with wireless charging capabilities. Problem is, they don't come with wireless chargers. But there's no better time to snag one than on Black Friday, and we've found the best deals out there for 2018's holiday season.
It was a long overdue announcement when wireless charging was revealed as a feature in Apple's 2017 iPhone lineup. While certainly a welcome addition, wireless charging would only work with up to 5 watts of power, which meant no fast-charge capabilities. That's not the case anymore — here's how to fast-charge wirelessly with the iPhone 8, 8 Plus, or iPhone X.
Chinese tech company OPPO has been on the cutting edge of smartphone battery charging since it released its VOOC Flash Charge in 2014. Using VOOC, you can charge your battery from 0-75% in 30 minutes.
Inductive charging is already a reality on popular smartphones like the Samsung Galaxy S III and Google Nexus 4, and Apple has recently published a patent that would make inductive chargers a reality for the iPhone. There are also several phones that have the capability for wireless charging, such as the Samsung Galaxy Note II.
November 29th marks the day of Nissan's triumph, not only as an automaker, but as an eco-friendly automaker. The new Nissan LEAF has won the 2011 European Car of the Year award, the first all-electric vehicle to be chosen for the award.
Just because a person is cordial enough to knock at your door doesn't mean that he isn't a conman or burglar out to knock you out and steal all your belongings. So you can probably understand the usefulness of a spy hole, or a door viewer.
In her music video for "Round and Round," teen queen Selena Gomez is the sexiest spy ever, sporting a classy beige trenchcoat, the proverbial black spy sunglasses, and hair so softly wavy and shiny she looks like she just came back from filming a Pantene commercial.
Just like a car, a lawn tractor contains a battery that is used to help make the vehicle start and move. without it, you would have a very expensive mower that is pretty difficult to move. So if your battery were to ever die, you may need to replace it, or easily charge it up.
The shoulder pads and helmet are the iconic pieces of gear that every football player wears in every game. This video teaches you, as a football coach or parent of a football player, how to make sure your charge or charges wear properly fitting shoulder pad to maximize safety. As the video says, the shoulder pads are the easiest piece of football equipment to fit, but making sure they fit properly is still vitally important to prevent injuries to the chest and shoulders.
Did you know the dollar in your pocket is magnetic? The strip inside the bill is magnetically charged. Check out this demonstration from Hooked On Science to learn more about science firsthand. Bring science right to your kitchen with these creative ways to demonstrate chemistry, physics and earth science to your kids.
Shane Battier teaches you how to take a charge, and how it can help to stop superstars like Dwyane Wade and Lebron James. This inside skill drill from Shane Battier gives you the right perspective from an NBA star. Get basketball advice from the pros on how to improve your basketball game. Shane Battier is the authority on defense!
Try out this science experiment... watch this video tutorial to learn how to experiment with a Van de Graaff generator. This is purely educational, and demonstrates different techniques in using the Van de Graaff generator.
Learn how to do the Charge Normal with this pen spinning tutorial.
Learn how to do the Charge Reverse with this pen spinning tutorial.
Starting February 21, you can preorder your Galaxy S20, S20+, or S20 Ultra. Samsung includes everything you need to get started in the box, but probably not everything you'll want. Let's go ahead and bridge that gap.
I've just recently hopped on the AirPods bandwagon, and I can't see myself ever going back to the wired EarPods that Apple includes with every iPhone. The only issue is that I paid full price, but you don't have to with 2019's Black Friday deals, some of which are happening right now.
I was in college, and my 15-inch Sony Vaio laptop was my prized possession. It was my first PC and probably the most important thing I brought with me to my dorm — it was both how I completed my assignments and my primary source of entertainment. How could it turn its back on me in my time of need?
After learning that you'll need to spend at least $74 on a special charger and a USB Type-C Lightning cable to enable fast charging on the new iPhone X and iPhone 8 models, you may be wondering why you can't just use the standard Lightning cable. While we can't answer why Apple didn't include the USB-C cable in the box with their new phones, we can explain why you need USB-C to enable fast charging.
When Apple announced the iPhone X, 8, and 8 Plus, they had a laundry list of new features to talk about. They discussed the improved camera, the new screen, wireless charging, and many other things, but they curiously failed to mention that they just matched one of biggest features Android has touted over Apple for years — fast charging.
Before the iPhone 7 models were released, there were many rumors pointing to the inclusion of wireless charging, which obviously didn't happen. Now the rumor mill is back at it again for Apple's next smartphone, most likely being called the iPhone 8, and the possibility of wireless charging is more certain this time.
My OnePlus One easily gets over a day of battery life without a problem, but when I try to charge it, it seems to take just as long. For some reason, no matter what charger you plug your OPO into, it never gets more than USB-level power, meaning that charging times are more than double when compared to traditional AC-charging.