[网络] 光子隧道

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(124) / 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(129) / 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(160) / 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(132) / 评论(0) 分类 TED演讲教育篇
学英语单词
aari
AC in connector
actorvist
acute toxic cerebropathy
alo
ancistrum
assembling on board
autumn timber
azel-scope
azimuth setting knob
bismuth tribromophenate
bolt tightner
brainstormings
bubble-brained
carriage below deck
cavity configuration
Chahārcheshmeh
chat away
Cleopatra Needle
cloth doubler
contrct
cross-flow of air
Ctrl V
cull out
Cysternaviridae
dakhala
decision-table
Dewar Vacuum flask
drumming cell
eckhardts
effect of additive
electromagnetic pulse (emp)
endogenous heat production
engage upon
epitrimerus englerus
externally oriented economy
fastness to gas fumes
fibrous adhesions
first-aid cabinet
fixed royalty
freezing-drying microtomy
get the job done
give up a business
grumbling
high street bank
honnd's-tongue
hydraulic spinner
hypericum tetrapterums
icing door
infrared phosphor
insulanoline
knock the tar out of
Kwilecki's method
lanternbattery
liquidity diversification
medicine chest
mesodermal maintenance
microclimatologic
multichannel access
my heart bleeds for
ncci
nehela
northern pickerel
nuclear-thermal rockets
OAGIS
ockerdom
onebedroom
parameter region
Pavawol
Pentecostal Church
perflubrodec
phosphate pigment
pinnaspis hibisci
pleura visceralis
point of pouring
preferred orientation
prelanding operations
preselected barrage point
prodromal
Quntalan
radio-range station
relative cost
repulpator
Ricci, Matteo
self-compatibility
semipermanent store
shock(-wave) speed
show one's heels
slurry spreader
specific natality
spoke volumes for
sporebearer
squirting cucumbers
stem base
tabular representation
That Phanom
tipranavir
under-kind
undust
vachery
want out (of)
wood drakes