Russian inventions: holography
Do you know what holography is? It is a technique ___BASED___ on lasers, which enable 3-D (three-dimensional) images to be made. In 1962, Soviet physicist Yuri Denisyuk ___CAME___ up with the first reflection hologram, also known as the “Denisyuk hologram”. Now the technology ___IS_USED___ in most holographic displays and it was the first to allow multi-color image reproduction in holograms.
Do Canadians celebrate Thanksgiving?
Canadians celebrate Thanksgiving Day, but on a different day. Their Thanksgiving is on the ___SECOND___ Monday in October. It happens so because harvest time comes ___EARLIER___ in Canada. Canadians enjoy turkey, mashed potatoes, and pumpkin pie on Thanksgiving, but they ___DO_NOT_ASSOCIATE___ their holiday with Pilgrims and the landing of the Mayflower. Instead, they refer back to the landing of Martin Frobisher from England at Newfoundland in 1578, 43 years before the Pilgrims landed in Massachusetts.
Who invented spaghetti, the Italians or the Chinese?
When you think of agriculture in China, you probably think of rice. However, China is the largest wheat producer in Asia, and the ___THIRD___ largest producer overall, ___ACCOUNTING___ for about 10 percent of the world’s wheat crop.
What do the Chinese make from their wheat? Among other things, they make spaghetti! The Chinese ___HAVE_B