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Which of the following things were invented or first used in the 1950s? first heart transplant chicken pox vaccine microwave ovens first personal computer use of barcodes creation of the laser
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Asked 5/17/2012 10:46:40 PM
Updated 8/29/2014 10:51:41 AM
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User: Which of the following things were invented or first used in the 1950s? first heart transplant chicken pox vaccine microwave ovens first personal computer use of barcodes creation of the laser

Weegy: Percy Spencer
xramen135@aol.com|Points 590|

Question
Asked 5/17/2012 10:46:40 PM
Updated 8/29/2014 10:51:41 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
Flagged by Janet17 [8/29/2014 10:51:41 AM]
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Answer is use of barcodes.



The first patent for bar code issued to inventors Joseph Woodland and Bernard Silver in 1952.

First human heart transplant was performed in 1967 by Christiaan Barnard on Louis Washkansky at the Groote Schuur Hospital in Cape Town South Africa.

The chicken pox vaccine first developed by Michiaki Takahashi in 1974 derived from the Oka strain.

The microwave oven was invented in 1946 by an engineer Percy Spencer .

First personal computer called the IBM PC in 1981.



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ww.blurtit.com/q190026.html



Added 5/17/2012 10:58:36 PM
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Confirmed by Janet17 [8/29/2014 10:52:54 AM]
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