双光子全息术

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(71) / 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(79) / 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(120) / 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(83) / 评论(0) 分类 TED演讲教育篇
学英语单词
Alpu
ambuphylline
arteria palatina descendens
augmented prime
auto blowdown timer
ball bank unit
Banika I.
base moment
Bellman-Ford algorithm
birinuss
Black, Jack
blade leading edge
bravaisite
breaker-mixer
bulk resistance
buried halos
cabrioles
cementing layer
chemical modification of ribonuclease
chitinolytic
Churkin, Mys
Clathropleris
Coelolepida
cold bed
compensated impurity
controlled substance
counting overseer
crankshaft balancer
cross sold
crossed-coil measuring
d'Alembertian
default judgments
Degali
detection rate
eisai
energy to failure
exact pair
FDBMS
female flower
fibroadenomyxoma
flapper coil
foundery goods
Geldrop
genus Galeopsis
Gigen
glassy membrane
golgotha
gravitational theories
haemadromograph
Hallopeau
hexadecane
hot wire vacuum gauge
houdaille
hyphenated compound
idamantes
imitatlve tetanus
inishshark (shark i.)
intercalary
jet carburetor
john james rickard macleods
just authority
louse sth up
make or meddle
mutagens
oddsman
oil pan filler block
oligohemia
order starting date adjusted to calendar date
ornamentality
overwork oneself
parallel dielectric constant
partial regeneration
performeth
phrenic wave
physical parameter
pitching syncline
provide accommodation for
psychosurgical
pyrimidine ribose phosphate transferase
quodlibetical
range switching
regredes
sand tray
savagism
Saxifraga chumbiensis
sentence pattern
service routines
sexual equacity
Shaffer's theory of oxidation-catalysis
sheltron
spatial resolution
stenella myrsines
SysReq key
thannah
throwing-ax
thymic humoral factor
tolerates
tomato-red
transcender
uarts
voortrekkers
Weyl dimension formula