Finance is also a boom industry, fuelled by an explosive combination of economic growth, demography, technology and financial innovation.

ECONOMIST: A survey of financial centres: Capitals of capital | The

Although that is two to three times the cost of a metal detector, it is less than the price of the fancy explosive-sniffing equipment that is the main rival technology being developed for detecting metal-free mines.

ECONOMIST: Landmines

The explosive growth in high-speed wireless Internet is spurring a new technology wave.

FORBES: The Future Of Wireless: The Case For Spectrum Sharing