Gadget Hacks Features

How To: Watch Apple's iPhone 8 Event on Apple TV, iPhone, Android, Mac, or PC

The iPhone 8 is just about here. If you're anything like me, you can hardly contain your excitement. Apple has been keeping its 10th-anniversary device — whether you call it the iPhone X, iPhone Edition, or iPhone 8 — as secret as possible, but this past year we've seen a waterfall of leaks. Now that all of the rumors are out of the way, we're finally going to see what's actually in store for Apple's newest iPhone.

How To: Build a Cheap Arduino Tachometer to Measure the RPMs of Spinning Fans (And More)

A tachometer, or RPM counter, is a device that measures the speed of something that's rotating. In a car with a manual transmission, the tachometer can be helpful in determining when to release the clutch and how much gas to give when you're taking off. This DIY Arduino Tachometer by Chris on PyroElectro uses an infrared transmitter and receiver break-beam pair to measure the RPM of a computer fan. When the fan blade passes between the transmitter and receiver, the IR beam counts the interrup...

How To: Make a glowing ice bulb from a balloon

To make a glowing ice bulb, like the one in this how-to video, you need LEDs, batteries, wire, a balloon, and electrical tape. First, you connect the led to the wires. Then, you put the LED in the balloon, fill the balloon with water and freeze it. Once frozen, remove the balloon and attach batteries. Watch this video tutorial and learn how to make a glowing ice bulb from a balloon.

How To: How iTunes Works in the Cloud—Beta Version

This week, Apple announced the beta version of its new wireless, cloud-based service, iCloud. I wrote a summary of it here. The iCloud service includes some new features in the latest version of the iTunes Store, which allows you to access all your iTunes songs, mobile apps, and eBooks purchased in their respective iTunes stores and download that media to up to 10 of your devices—your iTunes supported Macs and PCs and mobile devices. This downloading can all be done wirelessly without you hav...

News: iOS 11 Gets New Echo & Spotlight Screen Effects for iMessages

Apple introduced iMessage effects in iOS 10, which offer creative ways to send messages to other iPhone users. These effects can either be applied to the screen, like seeing an explosion of confetti falling down the display, or to the message bubble itself. iOS 11 brings two new screen effects to iMessage, named "Echo" and "Spotlight," and they look like they'll be a fun addition to the current lineup.

How To: Add More Steps to the Volume Slider on Your Nexus 7 for More Gradual Control

A great aspect of using Android is having the ability to change and tweak aspects of the user experience to your liking. You can easily change things like home screens, widgets, and icons on your Nexus 7 tablet, but also core system settings if you want, like volume settings. Most stock systems come standard with a "15 step" volume control. That means simply that you have 15 levels from mute to the loudest volume settings. Whether your an audiophile or just someone who wants a little more con...

How To: Take Better Fireworks Photos with Your iPhone

The default Camera app on your iPhone can take some pretty incredible photos during the day. Newer iPhone models can even make nighttime shots look good. But you can't just point and shoot if you want to capture some pretty spectacular fireworks photos on July 4th, New Year's Eve, or another pyrotechnic celebration.

How To: Use Instant Apps on Android

One of the best parts of being an Android user is the countless awesome features. Many of these features are well-known and user-facing, like custom icon packs and launchers, but some get lost in the shuffle. Back at Google I/O 2016, Android Instant Apps were introduced to developers and enthusiasts. Since then, the feature has seen a wider rollout, but few users are aware of it.

How To: Text message with the Samsung Galaxy I7500

This video will show you how to send a text message with the Samsung Galaxy I7500. Just follow these simple steps to start sending text messages from your Samsung Galaxy I7500: From the home page, tap the messaging icon. Select "New Message" Tap the "To" field and enter either the name or the number of the person you wish to send a text to. Type in your message, and when you are done, tap the "Send" key.