When drying, these gels behave much as Jell-O does. They break down into a gooey, messy blob because the liquid in the hydrogel evaporates too quickly for the substance to retain its shape. With each molecule that seeps out, others try to fill the gaps. This causes what's known as ...
From mowing to aeration, treating fungal disease is hard work. Not only do you need to fertilize and irrigate the lawn to treat a disease, but you also need to perform proper maintenance year-round to ensure an infestation doesn’t reoccur. Take the load off your shoulders and hire alocal...
If you're contending with squeaky brakes, one of the first things you should do is try to identify the cause of the squeak. You should know that all brakes make some noise sometimes and that the occasional squeak isn't a problem, and a squeaky brake can stop a car just like a silent...
Over time brake fluid can become contaminated by water, which can make brake lines rust. Leaks can also form, leading to a spongy pedal feel or irregular brake performance. Most cars have a brake fluid reservoir in the engine bay, and checking it is as simple as taking a look at its le...
How much should you spend on a used motorcycle, and how do you avoid overpaying? UseMCN Bikes for Saleto gain an idea of the market. Take into account the bike’s year of manufacture, and additional factory parts or bling it may come with, along with aftermarket kit. ...
And then there’s the private sector.In the last few years,several private companies have launched rockets of their own,ending the public sector’s monopoly(垄断)on space flight.Meanwhile,Buzz Aldrin,the second person to walk on the moon,believes that there’s amuch better goalfor exploration...
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I thought, “God, well that’s pretty depressing,” but we’d already rented the place. We didn’t have a choice. I was thinking, should we set up upstairs in the living room? What should we do here? I thought, well, the hell with it. We have no choice. We don’t have the ...