Discover 100 Crazy Facts You May Not Know that will shatter your assumptions about the world. From nature's wonders to animal ...

Units of speed are always a unit of length per unit of time. Different units of length and time may be chosen depending on the situation. This makes it easier to read the measurements. For example, ...

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Prosecutors say Amit Forlit ran a global hacking operation on behalf of a Washington lobbying group that aimed to thwart environmental lawsuits against oil companies. By Karen Zraick Scientists say ...

In human–robot interaction (HRI), maintaining a safe distance is the primary requirement. The flexibility and safety of HRI are often limited by the efficiency and accuracy of distance algorithms.