[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(147) / 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(145) / 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(177) / 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(153) / 评论(0) 分类 TED演讲教育篇
学英语单词
airborne damage
airdrome warning
along on
alternating current furnace
American Nuclear Society
Anaeroplasmatales
antimony sodium thioglycollamide
baby clothes
baldon
baseless
bawden
bitter lemon
bouncing betty
cage-riding clearance
call a strike
Carbonyldiamide
chewing and lapping mouth parts
components of photo-electric conversion
cost allocation basis
creatinine kinase (ck)
dermatic
dicknuts
diploneis elliptica
distrubed jet
diynes
duplex regulator
dust sheets
ecumenicalisms
educational reform
electric-magnetic dipoles
electro-conductive coating
elevated structure
expected loa return date/time
facing pages
fedai, fedayin
filderman
gemilling
get someone's wires crossed
Glatzel mirror
glycogelatin
glycosene
great grey kangaroos
hand-refractometer
hemi-hermaphroditism
high pressure counter
hyenas
indoor light
intermediate truss
Kasaoka
Lehrberg
lodgement area
market quotation
mastercopy
meggas
monopolylogist
nervus trigeminus
nongummatous
on-going defalcation
ovar-
peirvitelline membrane
pendientes
Penphos
powerboatings
prelaty
propellant composition
pyroxferroites
quaternary ammonioum chloride
radarscope overlay
Rakek
re-erection
rear intercept valve
refractory gas oil
remigio
risk information vacuum
robust soup
round tin
runway roughness
sales career
sales demonstrators
saltigrades
scrophularin
seen to it
selfpollination
single-stage pump
skeleton extremitatis inferioris liberae
sparkings
squalida
standard weights
Sundarnagar
super-Poisson light
Syndicin
tetracosactide
Tewa
tide data
tribosorfer
undercrofts
us consulate
watertight joint
weirdlings
whicker
why don't
Xin dynasty