How To Tell Which Country Your iPhone Or iPad Came From (And Why You Might Want To)
Want to know where your iPhone or iPad was made? Here’s how to find its country of origin and why it could matter for features or support.
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Can You Use A Regular Light Bulb In A 3-Way Socket?
Wondering if you can use a regular light bulb in a 3-way socket? Learn what happens, if it’s safe, and how it affects brightness settings.
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Why Don't Modern Tanks Have Muzzle Brakes?
Muzzle brakes help reduce recoil when firing, which may seem like a useful thing to have on tanks. But modern tanks generally eschew them — why?
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9 Smart Devices To Make Your Home Or Office More Secure
Smart devices that truly improve home and office security. These reliable picks include smart locks, cameras, and sensors that are easy to use and dependable.
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Can You Jump A Lawn Mower Battery With A Car?
If your riding lawn mower has a weak battery, you may be tempted to try get it going by jumping it with a car. But can you do it, and is it safe?
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Do Batteries Use AC Or DC Current? (And Why Does It Matter?)
Batteries are a part of our everyday life, and power everything from phones to gaming handhelds to laptops, but do those batteries use AC or DC current?
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Here's What A Computer's Serial Port Was For (And Where It's Still Necessary)
Before USB ports became standard on PCs, several devices connected through a serial port. They're obsolete in many ways, but they still see some use.
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Can You Mix And Match Ryobi Batteries Of The Same Voltage?
While it's technically possible to use some Ryobi batteries and tools interchangeably, you may not get great performance, and your safety is not guaranteed.
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The Popular Costco USB Drive You Should Avoid (And Alternatives You Can Try)
Thinking of buying a USB drive from Costco? Find out which popular model to avoid and explore alternatives that offer better durability.
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Why German WW2 Missiles Were So Terrifying To Anyone Who Heard Them
The characteristic low growl of a German V-1 missile terrified people across England and Belgium. Here's what made their sound so unsettling.
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Do Cheap Air Purifiers Work? What You Should Check Before Buying
Like any product, air purifier quality goes up the more you spend, but can you get by with a cheaper one? Perhaps, but there are some things you should check.
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World War 2's Worst Bomber Was Basically A Flying Coffin
America has made many great airplanes, but this wasn't one of them. Toward the war's end, many of them went straight from the production line to the junkyard.
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How Space Force Plans To Protect The US From Chinese & Russian Spy Satellites
One of the U.S. Space Force's key missions is to protect the United States from Chinese and Russian spy satellites. Here's a key tool in that effort.
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What's The Difference Between An Open And Closed Loop Cooling System In A Boat Engine?
Boat engines have either open or closed loop cooling systems. How do these two differ, and is one better than the other? Here's everything you need to know.
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Can You Put An LED Bulb In An Incandescent Or Fluorescent Fixture
Incandescent bulbs have been banned in the United States, but are you able to just install an LED bulb in their place, or do you need an upgrade?
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10 Of The Shortest Airport Runways In The World
Having a long runway at the airport is generally a good thing, but steep cliffs, mountains, and nearby oceans mean these airports have less room to work with.
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10 Smart Devices That Are Great For Seniors
Getting older can make everyday things we're used to doing all seem a little bit (or a lot) harder. These smart gadgets could help, in lots of different ways.
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The TSA Allows Non-Spillable Wet Batteries On A Flight, But What Are They?
While there are always considerations when traveling, the TSA actually allows non-spillable wet batteries on a flight. That's great, but what exactly are they?
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Are Fitbits Waterproof? What To Know Before Diving In
A question that pops up in the minds of prospective Fitbit buyers is regarding the device's waterproofing capabilities.
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How Does The US Navy Test Its Ships For Seaworthiness?
The U.S. Navy tests its under-construction ships over and over, probing for weaknesses in everything from design to construction. Here's how it does it.
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What Is Coil Whine & Should You Be Worried If Your PC Has It?
If your new graphics card makes a high-pitched whine while playing graphically intensive games, you might be alarmed, but is this something to worry about?
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Where Does Intel Make Its Processors And Graphics Cards?
Intel is an American semiconductor giant with a global presence, but where exactly do all its high-tech processors and graphics cards come from?
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What Does 3M Stand For And Who Owns The Popular Company?
3M has created lots of everyday products, from Post-it notes to Scotch tape to Command strips and more, but who owns the company, and what does 3M stand for?
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Ghost Ships Are Real, And They're Haunting Us: Here's Why It's Such A Problem
While ghost ships in pop culture are haunted by the spirits of the deceased, real-life ghost ships are less supernatural, but still potentially harmful.
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Can LED Lights Catch Fire? How Safety Stacks Up To Halogen Bulbs
You almost certainly have an array of LED lights around your home at this point, but are they really any safer than halogen bulbs?
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Why Do Some USB Ports Have Lightning Bolts? Here's What It Means
Although USB has set standards, you can find some odd cables and ports out there. So, why do some USB connectors have small lightning bolts on them?
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Can You Use A Dimmable Light Bulb In A Non-Dimmable Socket?
Changing a lightbulb is one of the easiest and most common tasks you'll do around any house, but choosing the wrong bulb can make the process a nightmare.
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