And there are existing methods, like a machine that can quickly identify chemicals in pills to confirm if the pills are real.

VOA: special.2010.03.01

It uses an MRI or magnetic resonance imaging machine to look for abnormalities in the brain.

VOA: special.2010.12.21

Some of the pencils in the paintings almost look like large machine guns.

VOA: special.2010.03.19

The reporters saw the machine at the Jet Propulsion Laboratory in Pasadena,California.

VOA: special.2011.04.26

There was no water or machine to wash clothes in their home.

VOA: special.2010.03.28

The dog's legs had been cut off in a machine.

VOA: special.2009.08.29

While they were in the brain-scanning machine, they were asked to do tasks that required concentration and attention.

VOA: standard.2009.12.19

They set off a string of bombs that damaged equipment in the machine room and started a fire that authorities rushed to put out.

VOA: standard.2010.07.21

In the early years of communist rule in China, a sewing machine was one of the so-called big items that indicated a high living standard.

VOA: standard.2009.09.28

But men like 85-year-old Don Seki, who lost an arm to a burst of machine-gun fire, play-down his own heroism in helping to rescue the "Lost Battalion."

VOA: standard.2009.11.04

"The three laureates have accomplished what many scientists thought impossible, namely to determine the three- dimensional structure of the molecular machine that makes all the proteins in a cell, the so-called ribosome,"

VOA: standard.2009.10.07

The Movement for the Emancipation of the Niger Delta (MEND) says armed with assault rifles and heavy machine guns raided an oil facility jointly operated by Royal Dutch Shell and Chevron in Rivers state.

VOA: standard.2009.12.21

Sounds of heavy and light machine gun fire rattled Maiduguri as Nigeria's army pounded suspected hideouts of the Islamic rebels in a bid to flush out remnants of the militant Boko Haram sect.

VOA: standard.2009.07.30

Authorities say they quickly killed two of the gunmen, but two others continued to fire machine guns in the extended battle in Pul-i-Alam, Witnesses say U.S.military helicopters were part of the response force, and one aircraft fired a rocket into a multi-story building which the insurgents had seized, used to launch their attack and had rigged with explosives.

VOA: standard.2009.08.10