Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings include one or more levels of foam on top.

Indicates the main composition of the mattress, such as innerspring or memory foam. Some so-called "hybrid" innersprings ...

This Audi drives on rails: A 1,000 horsepower plug in hybrid locomotive manufactured by Alstom replaces the plant locomotives previously used at the Audi plant in Ingolstadt as of today.

For more than 60 years we've been answering the objective questions—How fast? How quick? How much grip?—comprehensively, and with an authority based in experience that our readers have come to ...

NoviOcean's innovative Hybrid Energy Converter combines wave, wind, and solar power, generating double the energy of wind alone.

You have $1,000 saved and you're trying to figure out what to do with it. It would be a significant amount of money to splurge and spend all at once — but is it enough to invest? The truth is, $ ...

We looked for hybrid mattresses with close to 1,000 support coils in the 13- to 15-gauge range (the lower the gauge, the thicker the coil). Pocketed or individually wrapped coils are preferable ...

The best hybrid mattresses deliver an unmatched balance of comfort and support, providing the pressure relief and motion isolation of memory foam with the stability and airflow of innerspring coils.

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Mattress type: Hybrid | Feel: Firm | Sizes available ... my pain and I don’t wake up feeling weak anymore.” It has over 1,000 ...

Still, many car shoppers are clearly convinced of the benefits. Sales of hybrid cars in the United States were up 33 percent from January through July compared to the previous year, accounting for ...