Q: On the side of my house, I have an iron gate that has been pulled out of the block wall and a chunk of the block came out with it. Do I have to replace the entire damaged block? And if so, how can ...
Researchers from Stanford University and the Ecole Polytechnique Fédérale de Lausanne (EPFL) have developed a small but super powerful drone that can anchor to objects in order to haul heavy loads.
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