Lectures to Women on Physical Science
I.
PLACE. -- A small alcove with dark curtains.
The class consists of one member.
SUBJECT. -- Thomson’s Mirror Galvanometer.
The lamp-light falls on blackened walls,
And streams through narrow perforations,
The long beam trails o’er pasteboard scales,
With slow-decaying oscillations.
Flow, current, flow, set the quick light-spot flying,
Flow current, answer light-spot, flashing, quivering, dying,
O look! how queer! how thin and clear,
And thinner, clearer, sharper growing
The gliding fire! with central wire,
The fine degrees distinctly showing.
Swing, magnet, swing, advancing and receding,
Swing magnet! Answer dearest, What's your final reading?
O love! you fail to read the scale
Correct to tenths of a division.
To mirror heaven those eyes were given,
And not for methods of precision.
Break contact, break, set the free light-spot flying;
Break contact, rest thee, magnet, swinging, creeping, dying.
II.
Professor Chrschtschonovitsch, Ph.D., "On the C. G. S. system of Units."
Remarks submitted to the Lecturer by a student.
Prim Doctor of Philosophy
Front academic Heidelberg!
Your sum of vital energy
Is not the millionth of an erg.
Your liveliest motion might be reckoned
At one-tenth metre in a second.
"The air," you said, in language fine,
Which scientific thought expresses,
"The air -- which with a megadyne,
On each square centimetre presses --
The air, and I may add the ocean,
Are nought but molecules in motion."
Atoms, you told me, were discrete,
Than you they could not be discreter,
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poem by James Clerk Maxwell
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