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Some of them are substantial in size but it's almost impossible to see them in the forest because they only become visible when the sun is at the right angle.
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When they first walk through the front door, an array of sensors will detect their presence and bring the lights up, adjusting levels throughout the day based on the time, angle of the sun and the weather.
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He could not tell the time, relying on the sun's angle and his own instincts to know when to eat or sleep.
ECONOMIST: Benito Mart��nez Abrog��n
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Using the angle of the Sun, the team was able to estimate temperatures on Europa's surface.
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There were bees, and the angle of the sun made the water of the shallows look dark.
NEWYORKER: Good People
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Unlike comparable real estate and travel shows currently on television, A Place in the Sun takes a fresh, original angle.
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The Solbot, made by startup QBotix, stops at each array and extends a cylindrical arm to adjust the angle of the photovoltaic panels so they capture the most amount of sun as it moves across the sky and through the seasons.
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