How To: Build a Leyden jar and use a capacitor
Simple yet effective, capacitors come in a dizzying array of forms and materials, vital to so many circuits for storage, timing, and filtration - the mighty capacitor! In this installment of the MAKE presents series, Collin Cunningham explains - how to build a Leyden jar, how the capacitor was invented, and how to use one to light an LED. To make your own Leyden jar, you'll need a plastic film canister (or pill bottle), some glue paste (or tape), basic copper wire, and some aluminum foil. After building a Leyden jar, you'll also learn how to power an LED with a capacitor, charging the capacitor with a 9-volt battery. The charge doesn't last long, but it shows you exactly what a capacitor is for. Please enable JavaScript to watch this video.
Over the years, passcodes have been supplemented by Touch ID, Apple's fingerprint recognition system, but the passcode is still the iPhone's main line of defense. A passcode is required to set up
Disable security lockout/Too many incorrect passcode attempts
The SIM card on your phone holds all the transferable data. This includes messages, contacts and calendars. You may find yourself needing to replace your iPhone's SIM card for several reasons. It may be damaged and crashing your phone, or you may want to import one from a different phone. Most SIM cards on cell
Swap out your iPhone's SIM card - Video - CNET
PayPal 101; Whenever you move into a new home, whether that's a house or apartment, changing addresses on all your online accounts is one of the most monotonous tasks that needs to be done. It's even more tedious when you have to update both shipping and billing addresses.
How to Avoid an 'Unblockable' Presidential Alert - Gadgeteck
If browsing speed is important to you—and it should be—you'll probably be interested to know that there are ten simple flag modifications you can make in Google Chrome in order to achieve the fastest browsing speed possible.
11 Ways to Speed Up Google Chrome - Hongkiat
Google has already started to roll out the over-the-air update of Android 5.0 Lollipop to older Nexus series phones and tablets, but chances are it will take a long time for the OTA to hit your device.
How to Get Android Lollipop Today « Nexus :: Gadget Hacks
You won't believe how easy it is to use your camera remotely without your knowledge; to spy on you; stalk you; or harm you when you are not protected. let Cameraless block your camera
How to hide incoming calls and notifications while using your
For Samsung phones with a physical home button, you can use the home + power button combo to take screenshots. Just press the two buttons simultaneously until the sides of the screen flash and you
How To Take Screenshot Without Buttons On Android, iPhone
You can play music from your iPhone through a sound system, providing entertainment for parties or for your own listening enjoyment. The iPhone's audio jack can drive a stereo amplifier's auxiliary input. When you connect your iPhone to a stereo, the amplifier and speakers can fill the room you're in with music.
How to connect your iPhone or iPod to your home stereo
Using a HDTV (High-Definition Television) antenna, based on the DB4 design, is 1 of the most effective ways to retrieve HDTV signals. Purchasing this type of antenna at a store will cost you at least $40. However, you can build such an antenna yourself at a much lower cost. The following is a guide on how to make a HDTV antenna.
Powerful Modern Homemade HDTV Antenna
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When a Houston mom got tired of her kids seemingly refusing to return her calls, she decided that she'd take action. Sharon Standifird's vision was to create an app that would somehow force children to get into contact with their parents.
App Forces Kids To Return Parents' Calls - Student News Daily
How to Stay Safe. Hackers have either already found this vulnerability or may now exploit it due to NorthBit's research, so you do need to make sure your device is protected. Personal responsibility is key when it comes to avoiding a Metaphor attack.
Seth Fitzgerald's Profile « Wonder How To
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