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Study Center

Answers from our experts to important scientific questions
Submit a question Our editors will select questions from those submitted and post their answers here.
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Computing & Information Technology:
Communication satellites

- What are the advantages and disadvantages of MPEG-2 and MPEG-4?

Computing - general

- Please explain the basics of bioinformatics. What questions in biology are currently being addressed with computer methods?

Digital hardware

- What is giant magnetoresistance?

Programming and software

- Technologically, is it possible to make a conscious robot? (Answer 1)
Sample questions from Q & A:

Physics
Q: Could we tell if left and right were reversed and we were in a looking-glass universe?

A: Yes—but it's not easy!

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Engineering & Materials
Q: What is the history and definition of tessellations?

A: "Tessellation" comes from the Latin tessella, which means a small cube (such as a die or a piece of mosaic) or a tile.

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Navigation
Q: What is "precision agriculture"?

A: Technological advances in remote sensing, the Global Positioning System, information management, and farm machinery now enable the optimization of crop control practices.

Read full answer
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