Abstract: In this paper, a new strategy based on differential game theory is proposed to plan optimal maneuvers for collaborative station-keeping of a set of satellites co-located in an orbital slot ...

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The “horizon” he points to isn’t a doorway to the divine, other scientists say. Yet, modern physics has been trying to answer questions once left to religion.

In addition to improved performance from individual sensing technologies, including radar and light detection and ranging ...

The timeless ideal of true, unshakable happiness is that it is not found "out there," but is an inherent quality of our own soul. This isn't a modern self-help slogan; it is a truth that wise souls ...

Housing experts expect this year to bring a modest improvement in affordability for U.S. buyers, but they expect the market ...

The acclaimed writer discusses the limits of kindness and the foundations of sin.

Objectives To determine whether quantifying both the absolute and relative intensity of accelerometer-assessed physical activity (PA) can inform PA interventions. We hypothesised that individuals ...

But here she was in a Senate hearing room in October, a person who had once seemed so mild, so warm, so kindhearted that she’d earned the nickname “Pambi,” opening up a folder full of slap-downs, each ...

Add Yahoo as a preferred source to see more of our stories on Google. The individual, who chose to remain unnamed, disclosed that Twiggs is currently staying with his parents after previously ...