光子集束效应

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(156) / 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(152) / 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(185) / 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(165) / 评论(0) 分类 TED演讲教育篇
学英语单词
afterburner efficiency
air coupling
air valve body
apparent mass
araxess
Arena, Fiume
Baculin B.
Bressanone
bretch
brothers in arms
calcium hydrates
carbonized steel
cation permselective membrane
chaloroazodinum
chronogeochemistry
comptoniana
computer interface terminal
conditional decision
congenital atonic pseudoparalysis
disturbed belt
dyadic instructions
elastic buckling analysis
enfiladed
extent of forest management
fehling
flabbergastingly
fuel handling accident
gain-phase analysis
glass precision scale
gravois
grocery company
gull wing
hard feeling
helgenberger
hexopyrronium bromide
host flora
hum-balancing pot
impinging radiation
iting
ketteler
knock around
Kuryongpo
lay a plan
level(l)ing machine
light gours makes heavy purses
low spin coordination compound
Lyford Cay
magnetic clutch
Malayali
mark-recapture
mineral wells
mold coating
Murasugi sums
NLSP
non-prescritive nature
operator interruption code
orocratic (period)
pallecent
parade lap
patch test of paints on ship hull
Pentadinium
photomagnetic capture
photosensitive speed
plastic nasal hook
potential, space
presentees
primary energy fuel
quaternion group
reake
restricted stopping sight distance
ribbed frame
rontgens
Rotatisporites
scads of
scheduling management display
service request output
shamble
shared working space
shucks off
silicon thyratron
Soragna
spring low-water line
stem the current of river
stone-paved
stream shaper
sugi oil
switch normal indication
tan-tan
thermogenic
three square file
tsis
TV lines
unpowdery
unpunctuality
velocity sieving
vertical roll entablature
vinegar bottle
walnut cake
welding metallurgy
Xiwen
zinc antimonide
Zurak