The far more likely option is that a group like al-Qaeda will attempt, in my belief, a conventional type attack in a major population centre such as Leicester Square, Trafalgar Square - somewhere like this that has high impact or maybe Parliament Square using a conventional bomb device and therefore it could kill a large number of people and injure many more.

BBC: Six Forum: UK terrorist threat?

Dr Hewish is also scathing: he believes that the Oxford team is simply building a type of conventional radio antenna called a waveguide.

ECONOMIST: Physics

Pegasus has carrying Canadian crude, but it was conventional crude, not the type assailed by opponents.

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In this type of war, technology counts for less than in conventional conflict.

WSJ: The Guerrilla Myth

But many voters will simply see conventional political point-scoring, which dulls Mr Obama's edge as a new type of politician.

ECONOMIST: Pennsylvania primary: The push in Pennsylvania | The

The system the researchers tested used a type of solar cell known as dye-sensitized solar cells, a lightweight and inexpensive type where the active layer is composed of titanium dioxide, rather than the silicon used in conventional solar cells.

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