In some cases, a new design was imposed over an earlier one; less often, the original design was simply covered with white slip.

在某些情况下，新的设计被强加在先前的设计之上；在更少的情况下，最初的设计只是简单地用白色的纸片覆盖。

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When it comes to improving on that, some leaked European retailer listings suggest NVIDIA might not wait on a completely next-gen architecture, but may instead try to deliver similar performance through a less power-hungry single GPU design.

ENGADGET: NVIDIA GeForce GTX Titan leaks, could cost a grand

These low temperatures allow for a quick start-up, a more compact design, and less use of rare-earth materials.

FORBES: Harvard Researchers Develop Fuel Cell Chip

In other news, pedal-powered transportation geared up for the future as we showcased a chain-less hybrid bike with an out-of-this-world design and a molded bamboo bike that is grown from the ground up.

ENGADGET: Inhabitat's Week In Green: solar-powered stadium, bipod flying cars and biofueled flights