Double-sided beds are still a rarity, but these mattresses might offer some surprising benefits for sleepers looking to switch things up ... but this is the most common design).

it proved the scalability of the two-sided market. Though Uber was not the first company to deploy this model, it did so with unmatched pace and veracity, evidenced by its place in common vernacular.

The world's biggest company, Amazon, is a two-sided market between sellers and consumers. Among some of the other big companies you could name, such as Airbnb and Uber, it's a common theme with ...

Double-sided solar panels that tilt based on the sun’s position could boost the amount of energy collected. The two approaches existed independently before, but researchers have now looked at ...