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Carl Witthoft
  • Member for 7 years, 7 months
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21 votes

Examples of when the professional scientists or mathematicians were wrong, but the nonprofessionals were right

10 votes
Accepted

Who did say that anyone who discover a new particle should be fined instead of receiving a prize?

9 votes
Accepted

How did Lenna become the most used image in image processing?

9 votes

Who first proposed the theory of tidal locking?

7 votes

Why is one meter as long as it is?

7 votes

When did people realize that the eye was a lens?

6 votes

Did Richard Feynman ever meet Stephen Hawking or comment on Hawking radiation?

6 votes
Accepted

Was the telegraph system of 1859 powered by AC or DC and how extensive was it?

6 votes

Has a stereotypical "mad scientist" ever made a significant discovery?

5 votes
Accepted

When was the concept of “Power” defined?

5 votes

In a popular anecdote, who took 20 minutes to decide that a thing was obvious?

5 votes
Accepted

A peculiar quote from Oliver Heaviside

5 votes

When was double-paned glass first invented and used for insulation?

5 votes

When was the energy of the electron first measured?

4 votes

Did Aristotle note that ships disappear over the horizon hull-first?

4 votes

How did Milikan know that oil drops would acquire only few electron charges?

4 votes
Accepted

Original mathematical foundation of Dirac's function

4 votes

Why are there so many different, and widely accepted, notational systems for boolean logic?

4 votes

What are the earliest inventions to store and release energy (e.g. fly wheels)?

4 votes

What are some of the unsolved mathematical problems posed and stated clearly prior to the year 1900?

4 votes
Accepted

Where did Euler prove 'his' theorem on homogeneous functions?

3 votes

Is there an etymological dictionary of terms in physics?

3 votes

Who named Black Hole?

3 votes

Reverse subtraction: has any culture had a symbol (call it $\oplus$) where $A \oplus B$ (read in the same direction as in the language) $:= B - A$?

3 votes
Accepted

Identification of Rare Newton Statue

3 votes

Wavelength definition of the metre

3 votes

Why was in 1584 the eclipse of the moon used to calculate the width of the Atlantic ocean rather than just using the Sun itself?

3 votes

First appearance of the term sinus cardinalis

3 votes

Who extended the Euclidean algorithm to derive the Bezout identity?

3 votes
Accepted

What did Westinghouse use for power to drive Tesla's generators during the 1892 World's Fair