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(60) / 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(71) / 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(109) / 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(70) / 评论(0) 分类 TED演讲教育篇
学英语单词
a matter of debate
acquistion
aculeates
androecium
atelid
attorney generals
barge unloading system
benign senescent forgetfulness
berengarius
blepharanthracosis
bricked ladle
cacoon vines
cast round
caustic bottoms
centre-type cylindrical grinding
Cestum
chief
chlorobutyl rubber
depth variable launch
discriminative reaction time
disease index
disinhibition versus constraint (dvc)
environment oxygen content
ethnomethodologically
factory-farmings
folding saw
full back arbor
germaphobic
ghiriffo (ghiroffo)
heading axis
hemihyperidrosis
hemocyanins
high resolution plate
home garden
infringements
kerins
leptokurtoses
life membership
Ligamentum longitudinale anterius
live-honey
made a nuisance of myself
martirano
melanostomatini univittatum
micro-orchidism
mindes
multimotored aircraft
muong hou nua
muscular tumor
namess
naphtholism
National Weather Service
national well being
noec
non-eroding velocity
nonpacked
off-shift
Oil stocks
ojeda
oxole
peak dose
penny shape crack
perlocutionary
plaze
plumber
potassium tetragermanate
primary sensory ending
psycrophyte
quick-action slide tool
radar countermeasures and deception
renal tuberculosis with contra-lateral hydronephrosis
retarted
reverse proportionality
risic acid
rottingdean
sacrificial anode material
Saussurea oligocephala
Schick's sign
Schneider Trophy
schwart
Scotch dressing
shipboard & off shore cable
short addendum system
Sidi Khelil
simple list form
single conductor
smoke-houses
spectrometric analysis
Stranorlar
sulphine
take the micky out of someone
tetramisole hydrochloride
thin-shell surface
time thrust
Toleration, Edict of
trichosclereid
type of farming
uncastled
Vanda concolor
Waltheria
with a heavy hand
wring ability
yors