Categories Tech

Sleep Number Sleep IQ

Sleep IQ monitors you as you sleep, tracking your heart rate, breathing rate, movements and sleep cycles to calculate the quality of your sleep and help you fi ne tune details like your bed time, mattress texture and daily habits to attain optimal sleep each and every night. Especially useful if your bedfellow is prone […]

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Categories Tech

Nest Protect

Combined smoke/carbon monoxide detector gives you a heads up before sounding the full alarm, texts you when its batteries are low, alerts you of hazards detected while you’re out and will shut down your Nest Thermostat if it sniffs something untoward

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Categories Need To Know

Deep fryer technology

Deep fat fryers operate at an average temperature of 185 degrees Celsius (365 degrees Fahrenheit), and have a reputation as dangerous kitchen appliances that start fi res, but modern equipment has sophisticated technology to both keep the oil hot and protect the cook from potential risks. The most important component of the fryer is the […]

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Categories Tech

Chimneys big and small

Chimneys come in all shapes and sizes. Metal variations are quick to install and have push-fi t joining so are more versatile and adaptable than their brick equivalents. Made of stainless steel, they are most suitable for coal and wood fi res. Brick chimneys are the type most commonly seen on Britain’s rooftops. They are […]

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Categories Health

What is a pulse?

When you feel your own pulse, you’re feeling the direct transmission of your heartbeat down an artery. You can feel a pulse where you can compress an artery against a bone, eg the radial artery at the wrist. The carotid artery can be felt against the vertebral body, but beware: a) press too hard and […]

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Categories Need To Know

The latest generation of personal drones

Until recently, the drone world was the domain of the world’s military, but now we are able to use them as our own personal moviemakers. The AR Drone 2.0 is a 380-gram (13.4-ounce) carbon- fibre video drone. Using an app you can download onto your Android or Apple device, you pilot the drone by tilting […]

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Categories Tech

How panic rooms work

Panic rooms hit the spotlight in 2002 when Jodie Foster and Kristen Stewart starred in a fi lm where they were trapped in one, but what are these modern-day boltholes and how are they constructed? A panic room is a safe place for occupants of a property to go whenever they feel threatened. The danger […]

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Categories Tech

How do eCigarettes create vapour that mimics tobacco smoke and are they harmful?

Battery-powered cigarettes convert dissolved nicotine concentrate into vapour, which can then be inhaled without many of the toxic by-products associated with burning tobacco. The electronic cigarette has three basic components: a chamber, an atomiser and a battery. The chamber contains nicotine and fl avourings in a carrier liquid, such as propylene glycol. A wick, made […]

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Categories Tech

How cutting-edge technology captures 3D objects and re-creates them with light in ever-more realistic ways

The principle of making a hologram is similar to recording an orchestra in surround sound – once the sound has been recorded, the orchestra can stop playing and the sound can be re-created again and again without any instruments. Instead of recording audio, a hologram stores the interference pattern generated by light scattered by an […]

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Categories Need To Know

Doppler radars

Radar equipment produces electromagnetic waves, such as microwaves or radio waves. The waves hit the target and are refl ected back towards the detector. In a similar way to echolocation in bats, the time it takes for the wave to refl ect back can be used to determine the distance. By sending out waves of […]

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