It uses a lens with a diameter of just a few millimeters and covers a much larger field of vision than a conventional rear-view mirror.

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The only way to discover whether they will arise in real life, or whether they will be any more damaging than similar risks posed by conventional crops and farming practice, is to do more research in the field.

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Although they have not been found to cause any harm, the cables on conventional pylons, which transmit a three-phase alternating current, generate a strong electric field and a continuous buzz of low-frequency radio waves.

ECONOMIST: Monitor

There is continuing development in this field, as many new structured finance products are being developed to meet the requirements of Shariah but also conventional banks.

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