coagulate 发表于 2025-3-26 22:22:39

http://reply.papertrans.cn/59/5861/586060/586060_31.png

万神殿 发表于 2025-3-27 02:32:42

http://reply.papertrans.cn/59/5861/586060/586060_32.png

贝雷帽 发表于 2025-3-27 05:39:21

http://reply.papertrans.cn/59/5861/586060/586060_33.png

不妥协 发表于 2025-3-27 10:11:15

Tyger! Tyger!,n Young’s thoroughbred light wave was replaced by a mongrel, neither wave nor particle, but somehow both simultaneously. And QED made it unnecessary for light to be a wave at all. As Feynman’s theories changed our understanding of light’s life cycle, light technology was beginning to change our lives.

colloquial 发表于 2025-3-27 17:33:33

At the Speed of Light,Imagine this. The dawn light is creeping into your room. You get up from your bed and open the curtains. Outside the window, the inferno of an active volcano distorts the air. A river of red-hot lava is streaming down the scarred mountainside. A rain of ash falls near the window, yet you hear nothing, feel nothing.

pineal-gland 发表于 2025-3-27 18:07:44

http://reply.papertrans.cn/59/5861/586060/586060_36.png

大洪水 发表于 2025-3-27 22:18:39

978-0-230-52725-6The Editor(s) (if applicable) and The Author(s) 2008

精致 发表于 2025-3-28 03:51:56

Light Years978-1-349-99581-3Series ISSN 2947-7387 Series E-ISSN 2947-7395

evince 发表于 2025-3-28 09:35:42

The Philosophers,verse, first among the deities. The Sun was thought to be Ra’s eye, the source of all life and creation. Light and warmth poured from the god, at the same time a gift and something to fear. In a papyrus dating from 1300 BC, a priest-scribe noted the thoughts of Ra himself:

set598 发表于 2025-3-28 11:49:12

Engines of Light,vancement could definitely have been developed earlier. Basic lenses had been around since before Bacon’s time, while magnifying mirrors date right back to Archimedes. We have seen that both Bacon and Leonardo may already have dabbled with early forms of telescope and microscope.
页: 1 2 3 [4] 5
查看完整版本: Titlebook: Light Years; An Exploration of Ma Brian Clegg Book 2008 The Editor(s) (if applicable) and The Author(s) 2008 1.2.3.4.5.astronomy.developmen