Magnetism articles
What specific property did Gauss's instrument first quantify around 1832/1833?
What distinguishes an absolute magnetometer from a relative magnetometer?
How did Gauss derive the absolute value for the field strength using his mechanical system?
Which two primary components constituted the mechanical design of Gauss's first absolute magnetometer?
Which unit of magnetic flux density (CGS) is named in honor of Carl Friedrich Gauss?
What innovation, introduced by Ronalds and Brooke in 1846, eased the burden of continuous magnetic observation?
In what year did William Scoresby publish a paper describing an instrument for measuring magnetic dip?
What physical principle do modern Proton Precession Magnetometers (PPMs) utilize for their accuracy?
According to the text, how many gauss are equivalent to one tesla?
What crucial function did Gauss's established absolute standard provide for later global magnetic surveys?
What was the primary function of the earliest magnetic artifacts in Han Dynasty China?
What material was the earliest recognized form of the magnetic compass—the South Pointing Spoon—crafted from?
Which Song Dynasty polymath first recorded the observation of magnetic declination?
What text contains the first incontestable reference to the magnetic compass used specifically for seafaring navigation?
What major mechanical refinement, traditionally attributed to Flavio Gioja, modernized the compass by affixing the pointer to a rotating card?
What mounting system was introduced to keep the compass bowl level regardless of a ship's pitch and roll?
Which inventor patented a practical liquid mariner’s compass in 1813?
Which American physicist patented a greatly improved liquid marine compass in 1862?
In the Islamic world, the compass was notably adapted by al-Malik al-Ashraf for what religious observance?