Governments around the world are trying to improve urban life by adopting digital technologies and creating Smart Cities filled with sensors. Who are these projects benefiting and how smart are they?
If you have a cell-phone camera, the NaviLens system can give you vital information about where you are.
The discovery may explain how these buildings have survived for so long in earthquake zones.
The idea of driving on an inverted track has attracted lots of analysis, but a previously overlooked approach could let an upside-down driver keep going safely and indefinitely.
The decision puts the UK at odds with the US.
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