Nearly 100 years ago, America was in the throes of the Great Depression. Even during these tumultuous times, though, engineers managed to use skill and grit to build something amazing: The Hoover Dam. Situated at the Arizona and Nevada border, this impressive concrete marvel attracts almost 1 million visitors annually. So, how was this feat of engineering accomplished?
The one thing that kept airlines afloat
COVID impacted a ton of industries, and airlines were no exception. People traveled less, and that meant less income. But there’s a surprising way airlines make money, and it only became clear during the pandemic.
What happens when a baseball hits a gong at over 1,000 mph?
Some professional baseball pitchers can throw a ball around 100 miles per hour. But, what would happen if you built a cannon that could fire the balls faster than the speed of sound? Well, this engineer did just that, and the results are astounding.
How radar has changed over the last 60 years
The military has used radar since World War II. It lets us detect incoming planes before they attack and allows us to track weather patterns worldwide. Since its inception, though, radar has gained another use: To help us see what’s above us much more clearly.
Why women can see more colors than men
Being able to see color is a significant evolutionary trait. We can see how blue the sky is or how beautiful fresh flowers are. But, it turns out not all of us see color the same way, and scientists now believe women can see more colors than men. So why is this?
How carbon nanotubes will change the world
In 1991 a Japanese physicist created a new form of carbon. These tiny threads of carbon turned out to be amazingly strong and durable. Now known as carbon nanotubes, this amazing material is set to make an enormous impact on the world of engineering. But how exactly will it be used?
Royal Marines using jet suits to board a ship
Jet packs used to be just a thing in science fiction movies. But they have finally become a reality. The British military is trying out these amazing pieces of tech to board ships, and seeing them in action is truly amazing.
This quick test reveals just how good your hearing is
The average human is capable of hearing frequencies between 20Hz to 20,000Hz. The higher you hear, the better your hearing ability. And the older we get, the harder it is to hear high-frequency sounds. Take this simple, accurate quiz to see how you stack up.
Komando DIY: 7 must-try iPhone tricks
Since its debut over a decade ago, the iPhone has revolutionized the smartphone world. But you might not know some of its secrets hiding in plain sight. Customize alerts, move multiple apps at once, and even automatically forward or delete messages.
Clever uses for your old phone: Security camera, alarm clock, emergency calling
Most of us have a drawer full of old gadgets lying around. Letting them pile up and collect dust isn’t just a waste of money but also a missed opportunity. You’d be surprised by how many useful things your old phone is capable of. In this Komando DIY, we’ve got four things you can do with your old smartphones after you upgrade.
Windows 10 how-to: Roll back to a previous version
Having trouble with the latest Windows 10 update? Maybe it’s so bad, you wish you’d never updated your PC in the first place. In this Komando DIY, we walk you through how to roll back your Windows version.
7 strategies to delete yourself from the internet
Maintaining your online privacy has become increasingly difficult. If you’re tired of platforms and companies snooping through your personal data, it’s time to take action. In this video, Kim shows you seven ways to shut out Facebook, Amazon, Twitter, people-search sites and others.
Essential laptop maintenance tips and tricks
If you want your laptop to work well for years to come, you’ve got to treat it right. In this Komando DIY, we’ll show you everything you need to do each month to keep your computer running smoothly. Learn an easy trick to clean up old files, a simple way to tidy your desktop, the best tools to care for the outside of your computer, and more.
5 Zoom tricks you need to know
If you’re working from home, your schedule is probably crammed full of Zoom meetings. Still getting to know the video conferencing platform? We put together five clever tricks to help you make the most out of your video calls and maybe even help you camouflage that quarantine haircut you gave yourself with the kitchen scissors.
How to download your photos from Facebook
There are several reasons why you might want to download your Facebook photos. You may simply want a backup, or perhaps you want to create a photo book or share them through another platform. You may also want to preserve them if you are planning on leaving Facebook and deleting your account. Ready to back up your Facebook adventures? Here’s how to save your photos for posterity.
Storage full? 3 hacks to free up space on your smartphone
That pesky “storage full” notification always comes at the worst time. Instead of scrambling to delete photos and apps to free up space on your smartphone, take our advice. Check out these hacks to help you organize your photos and videos, clear up digital clutter and see exactly what’s eating up all the space on your device.
How to delete your Facebook and Twitter accounts for good
Social media sites were created to keep us connected, but you may find yourself wanting to disconnect for good. Figuring out how to delete your account isn’t easy if you’re not sure where to start. In this Komando DIY, we will show you how to delete your Facebook and Twitter accounts right from your phone.
Tricks to get a better cell signal on your iPhone
You probably know the best place in your house to make a call on your smartphone. But what about when you just can’t get a good signal or you’re away from home? It’s super frustrating, but there are a few tricks of the trade that can help. In this Komando DIY, three simple ways to get better cell service.
How to find out if someone blocked your number
When someone blocks your number, they’ll no longer receive your calls or texts. On iPhones, even your iMessage and FaceTime won’t get through. How can you tell if someone blocks your number? Here are a few signs that may clue you in, including how many rings you’ll hear when you call and a message you could hear. Plus, get tips for what to do if you suspect you’ve been blocked but want to be sure.
Viruses on your iPhone or iPad? Here's how to remove them
Let’s face it, hackers and criminals are out to get you. These days, they even have ways of infecting your iPhone and iPad. Have your devices been hit by an attack? Here are some surefire signs that you’re a victim. Plus, I’ll give you tips to get rid of viruses and bugs from your iPhone and iPad.