Do Canadians celebrate Thanksgiving?

Canadians celebrate Thanksgiving Day, but on a different day. Their Thanksgiving is on the (TWO) Monday in October. It happens so because harvest time comes (EARLY) in Canada. Canadians enjoy turkey, mashed potatoes, and pumpkin pie on Thanksgiving, but they (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.

Russian inventions: holography

Do you know what holography is? It is a technique (BASE) on lasers, which enable 3-D (three-dimensional) images to be made.
In 1962, Soviet physicist Yuri Denisyuk (COME) up with the first reflection hologram also known as the “Denisyuk hologram”.
Now the technology (USE) in most holographic displays and it was the first to allow multi-color image reproduction in holograms.