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Scientists have taken a major step toward developing robot biologists. They have shown that their system, the Automated Biology Explorer, can solve a complicated biology problem from scratch.

The latest 3D printers can build flutes, thumbs and even themselves, but some shapes are still beyond the reach of current technology. For amazingly detailed sculptures like the ones above, you need to turn to more advanced materials - like cardboard.

"Quick Sort" is a divide-and-conquer sorting algorithm. To understand quick-sort, let us look at a high-level description of the algorithm.

In order to be able to reproduce sound, you have to understand how it is produced, from its nature to the resulting acoustics and vibrations in the neighboring environment. The article further develops the mechanisms for generating noise as well as possible applications.