Question

 What did Goldstein discover?

Answer Eugen Goldstein discovered canal rays in 1885. The Encyclopedia Britannica describes canal rays as positively charged ions quickly moved through a "perforated cathode in an evacuated tube." The di... Read More »
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Top Q&A For: What did Goldstein discover

What is the origin of the name Goldstein?

Goldstein is a Jewish last name. Its direct translation is gold stone, according to "Anatomy of a Surname" by Suzanne McVetty. According to McVetty, Eastern European Jews formed last names from the... Read More »
http://www.answerbag.com/q_view/2013959

I have black spots on all the leaves on my rose bush - should I cut the rose down or how do I get rid of them?

Blackspot is a fungus that causes black spots about 1/16 to 1/2 inches indiameter to form on the leaves and sometimes stems. The infected leaveslater turn yellow around the spots and eventually fal... Read More »
http://answers.yahoo.com//question/index?qid=20090502004034AA23B85

Do rose plants seed themselves by dropping rose hip pods?

Roses are self-propagating plants that produce seeds in a bulbous pod known as a rose hip. Rose hips can be collected and replanted or allowed to fall to the earth, where some of them will take hol... Read More »
http://www.answerbag.com/q_view/2205637

What is the difference between a grandiflora rose and a hybrid tea rose?

A hybrid tea is a more modern version of the grandiflora.
http://wiki.answers.com/Q/What_is_the_difference_between_a_grandiflora_rose_and_a_hybri...


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