Turbidity is a measure of cloudiness within water. When tiny particles become suspended within water, the result is turbidity. The offending substances might be minerals, oils, bacteria, algae, or any other number of things. With the aid of an optical measurement, turbidity meters help indicate precisely how many suspended particles are present. Light is shined …
Whether you’re making a stuffed animal or just giving out a gag gift, a sound button can be a great solution. You create a short recording, and your recipient can replay it any time they press the button. You can also use them for hobbies and crafts, like railroad sets and tabletop gaming. To be …
When it comes to brand new technology, some devices are more exciting than others. When a new smartphone or game system comes out, people are all talking about it. This is easy to understand, because those devices are so central to our lives. Think about how many times a day you pull out your smartphone. …
These days, people are paying more attention than ever to their indoor air quality. There are a couple of reasons for this. The first is that our homes aren’t cycling air in and out as much as they used to. They’re better-insulated, the windows aren’t drafty, and our doors even allow very little air flow. …
When you go on the road, you don’t always have access to the power you need. Whether you’re camping, fishing, or staying at an off-grid hunting cabin, this can be a challenge. For example, you probably want to keep your phone charged. The idea of going totally off-grid can be appealing, in theory. But with …