Imagination has no limits [Editorial]

Zeolite nanosystems: Imagination has no limits.

knowledge has no borders

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Editorial: Why No Borders?

This editorial article argues for No Borders as a practical political project . We first critically examine borders as ideological, generating and reinforcing inequality . We consider some responses to injustices produced by borders: the call for “human rights”; attempts to make immigration controls more “humanitarian”; and trade unions’ organizing and campaigning with undocumented workers . Re...

On the limits of dynamic imagination: A mental extrapolation task

To mentally extrapolate the trajectory of a moving object which disappears from sight, it is possible to exploit two different sources of information. One source is the memory of the last visible movement of the object, and the other is its inferred movement through time. It is often assumed that these cues are integrated into dynamical analog mental representations. To investigate the nature o...

SAT Has No Wizards

An (encoded) decision problem over Σ is a pair (E,F ) where E=words that encode instances of the problem, F=words to be accepted. We use strings in a technical sense, borrowed from Computability. With any NP problem (E,F ) we associate a set of strings |LogE(F )| called the reduced logogram of F relative to E, which conveys structural information on E, F , and how F is embedded in E. We define ...