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Technology

Invention: Dust buster

To keep workers healthy, flash photos can be used to measure the dust content of air in mines and tunnels, says a new patent application

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Invention: Birthing computer

Technology

Invention: Birthing computer

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Invention: Eyeball stiffener

Technology

Invention: Eyeball stiffener

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Invention: Hurricane pacifier

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Invention: Hurricane pacifier

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Invention: Natural colour underwater photographs

Technology

Invention: Natural colour underwater photographs

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Invention: Billboards that know you at a touch

Technology

Invention: Billboards that know you at a touch

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Invention: Aviation special

Space

Invention: Aviation special

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Invention special: Green technology

Technology

Invention special: Green technology

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Technology

Invention: Universal detector

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Invention: Bat-style footstep detector

Technology

Invention: Bat-style footstep detector

A new patent application says using ultrasonic echoes could detect and decode a person's footsteps from a distance

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Technology

Invention: Infrared lie detector

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Technology

Invention: Muscle-fatigue blocker

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Earth

Invention: Oil-sands digester

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Technology

Invention: Drug-delivering contact lenses

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