The debate on whether agitator vs impeller washers are more effective is central to many people’s buying decisions, and will shape the way you do laundry when you have eventually made a choice. There ...

If you're preparing to purchase a new washing machine and decide on a top-load washer, you'll find another choice: agitator vs. impeller washers. These two types of top-load washing machines have ...

There are many challenges to overcome with artificial hearts, one of which is durability, which is enough to replace the heart's beat, which is about 110,000 times a day, or 42 million times a year.