The laser light dims within seconds when the plastic comes into contact with even the tiniest emission of vapour.

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That wire can ground a contact on the circuit board behind the light that triggers a function intended to allow the door to be opened with a remote button, bypassing all its security measures.

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After Q catapults the Enterprise 7, 000 light years across the galaxy, the crew makes first contact with the Borg.

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But no, he reassured himself, this was human and harmless, this sheltered contact while the rain thrashed outside and the light inside the rooms dimmed by imperceptible notches.

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The other is a non-contact method by detecting intensity of the invisible infrared light that naturally emanates from every surface in this Universe.

FORBES: Body temperature.

The light and fan jumped to full power as soon as they made contact.

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He had been in contact with Atari to partner on some holiday menswear gifty items when the light bulb went off for more refined women's clothes, Sternberg explained.

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As it happens, the coffee-like stains that he and his colleagues had been trying to remove with fast-drying solvents was actually the solution to his problem, since they remained in contact with each other as they dried and preserved conductivity, but left about 95 percent of the light through the holes in the center, thereby making the screen itself almost fully transparent.

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It looked at vegetables such as carrots, lettuce and spring onions which were grown close to or in contact with the soil and which were sold to be consumed without any further cooking or preparation other than light washing or scraping.

BBC: Carrots