三光子

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(190) / 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(212) / 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(239) / 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(239) / 评论(0) 分类 TED演讲教育篇
学英语单词
2-hydroxy-2-methyl-propanenitrile
acyl carrier protein
Adamson
amnionitis
anatotitans
anchored retaining wall by tie rods
assignational
Atacama, Reg.de
attachment port
audit sequence
authorized investment
Bering Time
boss nigga
brenz-
cancerous person
cartographic semantics
cathode coating impedance
chronograph wheel spindle
clingtest
clip
coin-matching game
continuous-wave laser (cwl)
costo-transverse articulation
coupling arrangement
cultivate land
cylinders cast in block
Delphinium trichophorum
dingey
discharging permit
emitter-base diffusion
enteropathogen
fellas
ferrous acid
filling date
fixture of grinding machine
flame retardants
fringed orchiss
fuel ring
Galileanism
genus Megalobatrachus
good testability
Grothendieck group of a ring
Guandacol
Gwda Wielka
handy-tackle
hemithea aquamarina
Hickman
ilmenite structure
induced rolling moment
integrated fire-control system
internal revenue
international liquidity preference
isoprofit line
leaf-bud
lindernia nummularifolia
Liquiprin
lituus
Lysimachia albescens
mandatory variable part
metal envelope
midheel
Miravci
model of structure
near-instant
neohydnocarpin
opportunistic species
order testudinatas
p. factor
palmation
parallel force
porous solid model
potash bulb
precision of calibration model
primary extraxylary fibre
program end message
prop comics
santiaguito
servicers
ship calculations
sperm collection room
squirrel cage washer
star quadding machine
sulfonamide resin
telesellings
the reason is
Thi-di-mer
thymectomizes
time plane
Tiňosillos
transient term
Tum Tum
undergarments
vaginuliferi flores
verge (rome)
vinays
walk off the job
war anchorage
wiesner
wind heel criterion
without mentioning
Wooburn
word processer