Fragments of
章节目录
共 69 段- But a body may be caused to reach a certain elevation in opp
- Of the inner quality that enables matter to attract matter w
- By prismatic analysis Sir William Herschel separated the lum
- We commenced the demonstrations brought forward in this lect
- Among the vapours of volatile liquids vast differences were
- Placing a concave silvered mirror behind the electric light
- The tube being again exhausted, the mixed air and vapour wer
- Dry air was permitted to bubble through the liquid nitrite o
- Looking at the Weisshorn through the Nicol, the glow of its
- The country chiefly smitten by this calamity happened to be
- Schwann's observations (says Professor Lister) did not recei
- Let me now direct attention to another result of Pasteur, th
- It has been said, and it is sure to be repeated, that I am q
- At three P.M. on Tuesday, December 6, we got away, gliding
- I was provided with a telescope of admirable definition, mou
- What change does the home examination here reveal? In passi
- Here the guide sheltered me again, and desired me to look up
- We can, however, go far beyond the mere depolishing of glass
- To account for the second or middle road of Glen Roy, Sir Th
- The water halting at these levels for a sufficient time, wou
- No one, I think, would affirm that the area of the fissures
- It is not for clear weather that the greatest strengthening
- Towards the close of the day the atmosphere became very sere
- The first experiment a child makes is a physical experiment:
- As an instrument of intellectual culture, the study of Physi
- We sometimes find a thin layer of coarse gritty material, be
- A pair of bismuth cylinders was first examined. Sending a c
- A heavy ivory ball is here suspended from a string. I blow
- Here, then, is an exhibition of power which we can call fort
- 'If we reflect upon the experiments recorded in the foregoin
- In 1845 he published his memoir on 'Organic Motion,' and app
- It will be seen from the foregoing remarks and experiments h
- These matters are touched upon with perfect candour, and bec
- On December 17, 1840, Mr. Joule communicated to the Royal So
- Mayer grasped the mechanical theory of heat with commanding
- Since the time when the foregoing remarks were written I hav
- The character, then, of a miracle, as distinguished from a s
- Let us now briefly consider the case of Newton. Before his
- Thus religion survives-after the removal of what had been lo
- Whether it be a consequence of long-continued development, o
- The solid matter of which our lead and silver trees were for
- And now let us pass from what we are accustomed to regard as
- I have thus far confined myself to the purely intellectual s
- With the view of preserving thought continuous throughout th
- From their perviousness to stellar light, and other consider
- Those who hold the doctrine of Evolution are by no means ign
- When the human mind has achieved greatness and given evidenc
- The atomic doctrine, in whole or in part, was entertained by
- It is conceded on all hands that what are called varieties'
- Throughout this application and extension of Hartley's and M
- And now the end is come. With more time, or greater strengt
- Though moulded for centuries to an obedience unparalleled in
- This language, which was spoken in 1872, Mr. Martineau 'free
- Consider it for a moment. There is an experiment, first mad
- Whence comes the yeast which issues so copiously from the fe
- Thus, far, I think, we have made our footing sure. Let us p
- At the time that Dr. Sanderson was writing this report, a yo
- Redi, as we have seen, traced the maggots of putrefying fles
- What is my colleague's conclusion from the experiment before
- When 'naked or almost naked specks of protoplasm' are spoken
- To look at his picture as a whole, a painter requires distan
- Consider the vigour of his reasoning. 'Beyond the power of
- Here, again, we are confronted with the question of moral
- It seems to me that the idea of vitality entertained in our
- 'The philosophy of the future will assuredly take more accou
- 'Ten years have elapsed' said Dr. Hooker at Norwich in 1868
- Finally, I do not know that I should agree with Professor Vi
- I have now to revert to a point of apparently small moment,
- I might go on to other inventions, achieved or projected. I