cross-sectional sample based on a comprehensive set of cascades on Twitter during the time period from the founding of Twitter in 2006 through 2017. In particular, our sample contains all English-language tweets that were subject to fact-checking by one of five different...
Another is to do away with the driveshaft and have a motor, gearbox, and differential unit between two of the wheels (either front or rear) and driving them both. A third option is to have two front or rear motors (with or without gearboxes), each driving one wheel independently. The...
Perception, in other words, doesn't have to mean vision. And that's a very important lesson for ambitious projects such as self-driving (robotic) cars. One way to build a self-driving car would be to create a super-lifelike humanoid robot and stick it in the driving seat of an ordina...
preferred to only use three categories so as to reduce the odds of false positives, as large numbers of variables require large numbers of statistical analyses (for other categorization schemes, see e.g., Refs.17,19,61). In addition, we analyzed so-called "clicks". We define clicks as sh...
you don't simply do things on your phone that you used to do on your PC: you spend more time online overall, using apps and services that you previously wouldn't have used at all. Cloud computing made mobile devices feasible, so people bought them in large numbers, driving the developmen...