Category - Tech

Tech

Solar City = Green City

A microgrid is a small scale energy system that uses distributed energy resources (DERs) to balance local needs. It can operate either in conjunction with, or...

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...

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...

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...

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...

Tech

How do cranes get so high?

Tower cranes flock to money. During the economic boom years, high-rise construction cranes migrated from Beijing to Shanghai to Dubai, where it was estimated...

Tech

How do kettles boil water?

The electric kettle works thanks to two design breakthroughs achieved in Britain in the Twenties and Thirties. The fi rst is the immersed heating resistor, the...

Tech

What’s inside a jukebox?

This type of jukebox, with a 21st-Century inner mechanism, holds 80 compact discs (CDs) stacked horizontally on a slotted rack. When switched on, the pick-up...

Tech

How do flare guns work?

A fl are gun works in the same way as any traditional fi rearm with one key diff erence: it must ignite its projectile and propel it high into the sky...