Did Thomas Edison invent the very first functioning incandescent electric light bulb?
Anonymous Quiz
52%
Yes
48%
No
โค1
Who mathematically discovered the dense, positively charged atomic nucleus by bouncing alpha particles off a sheet of gold foil?
Anonymous Quiz
84%
Ernest Rutherford
16%
Hans Geiger
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Which scientist conducted the definitive 1887 experiment that proved the "luminiferous aether" (the invisible medium light waves were thought to travel through) did not exist?
Anonymous Quiz
65%
Albert Michelson
35%
Albert Einstein
Who was the first scientist to successfully photograph and prove the physical double-helix structure of DNA using X-ray diffraction data?
Anonymous Quiz
53%
Rosalind Franklin
47%
Raymond Gosling
Who created the very first organized periodic table that arranged chemical elements sequentially by their properties?
Anonymous Quiz
65%
Dmitri Mendeleev
35%
Julius Lothar Meyer
Who actually discovered the world's first life-saving antibiotic, penicillin?
Anonymous Quiz
69%
Alexander Fleming
31%
Ernest Duchesne
Forwarded from MATHS ๐งฎ LAB ๐ฌ
Radioactive nuclei decay exponentially with characteristic half-lifeโtime for half to decay. Half-life enables radiometric dating of ancient samples and medical applications of isotopes.
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Albert Einstein at the age of 54, at his high school class reunion in 1933.
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