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(37) / 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(50) / 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(89) / 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(52) / 评论(0) 分类 TED演讲教育篇
学英语单词
Actinidia Lindl.
all sting
amortize amortization
amsellem
anabaptizes
androgenization
auxotrophic mutant
biotic succession
blunts
border rays
breaker lever axle
cambiform
carefully-selected
Christian Aid
clinical pharmacology
clownophobia
conducti
contaminant tub
copy camera
crankshaft roller
curve of concentration
D lock
deep veins of upper limb
developed turbulent flow
disconnecting valve
dispiriting
drug eruption
electron beam process
elliptic acid
end-of-message indicator
erythromelalgia
extraction of cubic root
extraordinary refractive index
financial guarantee
four-bladed blender
ganglia nodosum
Guaranda
hand propelling boat
Hbr., hbr.
indelibility
inflictions
intra family loan
kokia
Krest'yanka
laboriose
lock-on-before-lauuch (lobl) seeker
mahimahi
marzo
masking infection
mature-cow average
mesophylic
metal antenna
mineral prospecting
Nemachilus scleropterus
nephology
neuro computer
nonpasture
Nyaungbingyi
old nebula
ophthalmomyositis
original radiogenic lead
outvaluing
pipe type electric precipitator
pocketmeter
Ponstel
program function key
pulasan
R02-9915
reclosing control overvoltage
refractive index anisotropy
return of stolen goods
risk predictor
royal we
sanfilippo's syndrome
saturation arithmetic
sax-tuba
Saxifraga rizhaoshanensis
scimones
service shop
single stage regulator
Takiéta
te.evision broascasting station
television screen
Tenniel, Sir John
text of the protocol
thrust bearing foundation
Thunder Knoll
transition rectifier
transpositioning(operation)
treasurer's cheque
turn up
umbral calculus
unduly burdensome
upregulate
Ust'-Uda
Vattjom
vertical planer
voice prints
wake-up primitive
WCY
weak stream of urine
wrett