On channel boosters quickly receive the OTA signal from the main tower and retransmit the signal on the same frequency.

ENGADGET: blogger-avatar

So nationalist voters want to send a signal to both main British parties, as well as to strengthen those republicans who want to follow a political rather than a violent path.

ECONOMIST: Sinn Fein

Alongside improved signal processing, the main boon here is HDR video recording.

ENGADGET: Sony Xperia Z: hands-on with the new flagship at CES 2013 (video)

Contrary to what the critics of speculation suppose, the main task of futures markets has been to signal these fundamentals to firms and households, speeding up their adjustment to the changing balance of supply and demand for physical commodities.

ECONOMIST: The real lesson from volatile commodity prices

He also moved the firm's headquarters from Eindhoven, Philips's birthplace and the home of its main research laboratory, to Amsterdam, as a signal that the firm's sights were set on the market place and not the oscilloscope.

ECONOMIST: Philips