When it comes to light sources in medieval times, there weren't a lot of options beyond the sun. Besides fireplaces and lanterns, candles were also used to light homes at night — but unlike today, they were incredibly expensive and out of reach for most people.

Get Android tips, tricks and updates to your inbox twice a week. Coming up soon: How to hide files and folders on your PC. Handy!

We have been sending rockets into space for almost 70 years. Whether it be for satellites or trips to other places in space, they all seem to launch from the same sites. So why is this? It turns out the location that a rocket is launched from is extremely important, and the reason might shock you.

Considering all of the missions to space over the past 70 years, there's bound to be all kinds of space junk orbiting the Earth. All that trash could become a bigger problem in the near future, so how do we clean it up before that happens?

Even though you may not carry as many keys as you used, there are probably a few you can’t part with. For years, News Director Ben has carried a clever key organizer made by KeySmart that tidies up your set. Now the company just released a new organizer that also holds one of Apple’s AirTag trackers so you’ll never lose your keys again. Is it worth it?

You probably have thousands of photos on your phone eating up space, and you want to preserve those memories. IDrive is the perfect solution for backing up and protecting all your precious photos and videos. Use it to back up all your devices: PCs, Macs, servers, iPhones, Android phones and more. Sync everything to one account.

IDrive is like an insurance policy for your data. Plans start at less than $7 a month.