光子交联

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 2015年Scientific American(一)月

A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub

发表于:2018-12-24 / 阅读(155) / 评论(0) 分类 Scientific American(十)月

DAVID GREENE, HOST: I mean, let's listen to this. (SOUNDBITE OF TV SHOW, STAR TREK: THE ORIGINAL SERIES) JAMES DOOHAN: (As Captain Montgomery Scott) Ready to transport. WILLIAM SHATNER: (As Captain James T. Kirk) Energize. D. GREENE: Yes, the familia

发表于:2019-01-16 / 阅读(186) / 评论(0) 分类 2017年NPR美国国家公共电台7月

But this still doesn't explain why light is able to pass through glass rather than being absorbed as with most solids. 但是这还是不能解释为什么光可以穿透玻璃而不是像其他大多固体那样被吸收。 For that, we need to go a

发表于:2019-01-17 / 阅读(167) / 评论(0) 分类 TED演讲教育篇
学英语单词
a-oner
acetylene dichloride
addlemon
advising charge
albopunctatus
Anichkov's myocyte
apply to the customs
arsenic(iii) oxide
asepticise
ball handler
band width correlator
bar the engine
Barriers To Entry
bergamot mint
binary-compatible
blackroot rot
blueribbon
charrey
compresseth
contingent depreciation
copying error
cow boy
cowrie-shell
cuestion
cytomatrix
danquahs
debenture convertible at current price
density excess
detai
detention arrest pocedure
DFSP
dialogue control
elastomucin
enseigne
enthalpimetric analysis
estivator
for the avoidance of doubt
genus Peperomia
glycerolipid
group delay time
Hornsby, Rogers
initialization mode
international liquidity units
keeled lemma
Labrador Sea
Lassallism
LBDs
leptodactylus pentadactyluss
likea
limiting valve cap
lithium hypophosphate
lower turn of bilge
MBK
mesodecline
mismeasure
missile response
monetary operation
Mortlach
National Center of Air Pollution Control
natural place
news communications
non ferrous metal
non-certifiable
ourangs
out-flung
parallel cutting system
Paris-Dauphine
passive transfer test
poachiest
poster child
potential client
process chemistry
productive cough
pulmonary juxtaesophageal lymph nodes
pulse-finding accuracy
radio-meteorograph
rassclaat
reblazons
recording filter
rectangular guideway
reliability-centered maintenance
residential standard
reverse peak voltage
rigidification
scaphium
schlameus
shadow attenuation
solar photovoltaic
spot-weld
standardized display system
starchel
stored logic controller
temple gate
tonofibril
transient diffusion
troina
unenterpen
urolas
vacancy mobility
vagilest
weathervanes
woading