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When you spill a liquid on the ground, it splashes. But if youre a guy using a urinal, or, more important, if the liquid is dangerous, say, an infected blood sample, you want to limit splashing. In other words: If an accident happens, you want the dr

发表于:2018-12-24 / 阅读(31) / 评论(0) 分类 2016年Scientific American(十二)月

It's tough to be a machine in the desert. Particles of dirty sands walk their way in to moving parts where they break turbine's motors pipes on other equipment.To avoid the costly warranty, researches are taking lessons from a desert native, the yell

发表于:2019-01-08 / 阅读(58) / 评论(0) 分类 Scientific American(二)月

The few surfaces not covered by signs are often clad in a distinctive, dark green-gray, striated aluminum siding. 这仅存的没有被商标遮盖的建筑,一般都被包裹在有特色的阴暗铝灰条纹的铝制外壁板之中。 Take-out san

发表于:2019-01-18 / 阅读(52) / 评论(0) 分类 TED演讲商业篇

JUDY WOODRUFF: Now: sharks. Just saying the word can send shivers down the spines of some, but as Hari Sreenivasan found in this report, studying their skin could be key to fighting diease and is on the cutting edge of the larger push announced at th

发表于:2019-01-27 / 阅读(36) / 评论(0) 分类 PBS访谈健康系列

Metal, heal thyself 金属,自己愈合吧 Materials science: Researchers have devised an ingenious way for the damaged surfaces of metals to repair themselves when they come to harm 材料科学:研究人员构想出了一种新颖独特的方法,

发表于:2019-02-17 / 阅读(55) / 评论(0) 分类 经济学人综合

Science and technology 科学技术 Hotel hygiene 旅馆卫生 Mind the remote 当心遥控器 The next time you check in 下次你在办理入住手续的时候 3_副本.jpgNO ONE likes to think about who was in their hotel room before them, let alo

发表于:2019-02-24 / 阅读(49) / 评论(0) 分类 经济学人科技系列
学英语单词
acetylsulfafurazole
angel dust (pcp)
apiphobias
atrophiated
autonomous-regulatory development
barytsaltpeter (baryt-saltpeter)
blow hot coals
broad bean weevil
cadmium stearate
canonical complexity class
coloring agents
compressor expander
concentrate in
concrete biological shield
corticomeningeal
diasonograph
DOS client
drites
duplicate of way bill
e-postage
engine weight per horsepower
enterotox(a)emia
epithelial peg
evaluator
fat droplet
forecasting customer demand
generating laser
genus ilexes
genus osmanthuss
get behind (with)
good-byes
grade compensation
gravel pipe
guidance sensor
heraclids
high frequency propagation
hinshaws
Hornby
inner self
kolmogorov-smirnov statistic
labeling scheme
laboratory-type instrument
Lalage
laser power sensor
line-disjoint path
liriodendron
lyoniol
manteroes
matulane
meaningless
meat sewing needle
median sound
molar heat capacity
naphthalene nucleus
negative booster
night table
non reimbursable funds
normal position linguistics
nozzle nut
numerically controlled
oral vestibule
order Thysanoptera
patines
People's Bank Law
phase of impedance
pieces damaged stock
plain table
pressure bombs
process allocation
projectile flight parameter measurement
pustular chilblains
pyrometry
quitno
recharging
rectangle rule
resulting tide
Schedule Book
semisenior
shape of envelope
single-V groove weld
Sint-Pieters-Voeren
snow-plough model
socratic methods
soil sement
sonator
steam inhalation
stichochrome cells
streaming instability
sub-merged pier
subquest
Sumprabum
survival model
swankpot
tegotin
thorbecke
to be sure of
tryptosol
two-term control
ultrasonocar diograph
Von Martius, Cachoeira
with-weather speed