The Roman historian Pliny said that Phoenician sailors accidentally discovered how to make glass over three thousand years ago.

VOA: special.2009.09.16

The spirit of Anton Leeuwenhoek told me how to make a perfect lens from a diamond of one hundred forty carats.

VOA: special.2009.07.25

The French chemist Nicolas Leblanc discovered how to make soda ash from salt in the late eighteenth century.

VOA: special.2011.03.09

After the show, the children could attend a workshop and learn how to make a paper version of the Little Noodle puppet.

VOA: special.2009.09.23

However,that opinion changed when manufacturers learned how to make better and less costly versions of Mister Harrison's clocks.

VOA: special.2010.07.14

They knew how to make iron. They knew how to use steam engines and other machinery.

VOA: special.2009.04.16

In the eighteen hundreds, researchers discovered how to make salicylic acid from the chemical.

VOA: special.2010.12.14

We look to the other side of the ocean to learn how a people which has known how to make itself free, knows how to preserve its freedom. " The assassination of Abraham Lincoln touched the imagination of America's writers.

VOA: special.2009.12.31

Nesser also arranges for craft makers to teach the children how to make things they can sell to help support their families.

VOA: standard.2010.02.24

I don't want to try to figure out how to make the characters behave later through animation.

VOA: standard.2009.12.19

They are learning how to identify biodegradable garbage, how to make compost, and how to water the trees they have planted in the schoolyard.

VOA: standard.2010.04.01

And to really figure out how to make it down the ski pitches and control myself.

VOA: standard.2010.02.09

"How to make it,how to build it and then they will become scientists and engineers."

VOA: standard.2010.02.02

Alexander,who had never baked before, says he knew the only way to have this kind of bread again was to learn how to make it himself.

VOA: standard.2010.07.16