All the news channels have been taken off air and mobile phone signals and Internet connections jammed. .

We now know that the professor had broken into his own home, with the help of his chauffeur, because the door was jammed.

It happens because we have jammed so much into the base of the natural ocean pyramid that these bacteria clog it up and overfill onto our beaches.

Microsoft founder Bill Gates has sparked controversy for his single handed handshake when meeting with the South Korean president. Gates' left hand was jammed into his pants pocket during the handshake, which is considered disrespectful in South Korea.

But in fact, those molecules are spinning at the rate of about a million revolutions per second they're agitating back and forth their size every two nanoseconds they're completely crowded together, they're jammed, they're bashing up against each other.

Sketchy details are emerging of clashes with security forces, and the situation is all the more difficult to assess as telephone lines are jammed by the authorities, and scores of journalists and activists who are keeping the world informed of developments in Egypt have been arrested.