The Earth may seem lonely in the vastness of space, but it has had one constant companion over the last 4.5 billion years: The moon. But it turns out that the moon we see each night might not be Earth’s only moon. It all depends on your perspective.
Shopping for an outdoor security camera? 5 things to look for
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In today’s world, you can never be too safe. There are many ways to secure your property, from locking your doors to keeping hackers out with antivirus software.
Take outdoor security cameras, for example. This popular technology helps you protect your home and loved ones from whatever may go bump in the night.
So if you are concerned about the safety of your home and want to ensure you get the right product, we’ve got you covered. Here are five features to look for if you shop for an outdoor security camera.
1. It’s motion-activated
A stationary camera has little to no flexibility. It only films what is directly in front of it. However, motion-activated cameras will turn on and record when they detect movement within the perimeter.
Some cameras will notify you when they detect movement so you can look at the footage. This way, you can feel relieved once you see it was just the neighbor’s cat.
2. The camera is HD
What good is a security camera if you can’t see what’s happening in the footage? You’ll want to find something that is HD, and ideally 1080p, so you can tell who and what is disturbing you.
This is particularly important if something illegal occurs, like theft. You’ll need to hand the footage over to the authorities. The better the quality, the more likely you’ll locate the responsible person.
3. You can access it from your mobile device
While security cameras provide peace of mind when you are at home, they also help you regain sanity when you are away. What if you are on vacation and want to be sure nobody is trying to take advantage of your absence?
If you buy a camera that connects to your smartphone, you can get automatic alerts whenever the motion detector is tripped. That way, you can view what’s happening no matter where you are. Even if you’re hundreds of miles away, you can see what’s going on in your backyard.
Free app to quickly remove your pics and posts on Facebook, Twitter and more
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Kim couldn’t tell you how many messages and emails she has gotten over the years asking the same question: “How can I delete myself from the internet?” Sadly, you can’t. Not really. There’s just too much out there.
Home security tip: How to monitor gun safes, medicine cabinets, workshops and more
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The world's tallest egg drop
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War has been a constant throughout human history. In some cases, war led to ingenious innovation — and other times, it led to abject failure. In this video, go back in time to see weapons once lauded as the next game-changers. In reality, they were never used in combat or failed once deployed.
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Spider eyes are more powerful than you think
Spiders are some of the smallest invertebrates on Earth, but these tiny creatures have a remarkable skill. They can see better than most animals 10 times their size. The trick is that their eyes are tiny little telescopes that allow them to focus on things in extraordinary detail. Some scientists even claim spiders can see the details of the moon. The real question is, why do they need to be able to do this?
What causes sleepwalking?
Most of us know someone or are someone who occasionally gets up in the middle of the night while they are sleeping and walks around the house or does something strange. This is called sleepwalking, and around 4% of US adults have reported this happening to them. But why does this happen, and what can we do to prevent it?
Can you build a skyscraper out of wood?
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Why cruise ships virtually never sink
During the heyday of sea travel, it was fairly common for ships to be lost at sea. Ships were vulnerable to the elements, and there are certainly a lot of dangers on the open water: A freak wave, a massive storm or even an iceberg. Now we have enormous cruise ships and it’s extremely rare to hear of one sinking. What makes these floating cities so unsinkable?
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When you think of large machines, you probably picture a massive tractor or maybe an enormous science experiment. Think bigger — much, much bigger. How about the size of the entire United States? The world’s largest machine is actually the U.S. power grid and how it became one giant machine is an amazing story.