外激电子

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(44) / 评论(0) 分类 赖世雄学英语第四册

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(九)月

Forcing Electrons into Superconducting Line In a study in the journal Nature researchers created a pseudo gap, in which electrons in superconducting materials line up just before flowing resistance-free. Sonya Buyting reports Imagine a world with lev

发表于:2019-01-02 / 阅读(150) / 评论(0) 分类 60秒科学

You, today, buy gasoline miles. And we created electric miles. 现在大家买的是汽油里程。我们就创造电子里程。 And the price of electric miles ends up being a very interesting number. 电子里程价钱加起来是个有趣的数字。

发表于:2019-01-03 / 阅读(33) / 评论(0) 分类 TED演讲科技篇

So how would you run a whole country without oil? 怎么让一个国家在没有用石油的情况下运转? That's the question that sort of hit me in the middle of a Davos afternoon about four years ago. 四年以前在Davos的一个下午,这个

发表于:2019-01-03 / 阅读(34) / 评论(0) 分类 TED演讲科技篇

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(50) / 评论(0) 分类 TED演讲教育篇
学英语单词
aarron
acetyl paramidophenol salicylate
age set
alethoscopes
andshe
antiflamison pregnenolone acetylsalicylate
antiscatter
apoplutnian
band edge
basic ideographic character set
blow your nose
Bunmahon
clamp coupling
collageneous
color character display
continuity of data
corrective shoe
cracker crumbs
crustal spreading
decommodification
delbonine
dematron
direct current characteristic
distinguish...into...
doorward
electron gun alignment
eruption rain
Excelgrow
FACScan
factioner
family Nostocaceae
floatstick
focusing accuracy
food processing
foramen primum
form of soil nutrient
fracture potential
frijoles
G.I. parties
gage stand
girlonds
immunoadsorptions
janick
jostling loss
lauth
letterhacking
line, grid
majoritarily
megacorporations
melter
Mexican-American War
midrange missile
mild-tasting
Mlle, Mlle.
multi-shuttle weaving machine
noether's test for cyclical trend
non-destructive inspection equipment
nonstationary random signal
nuva-seal
offsite
operating control system
oxhide
pack test
parsuna
phase iii clinical trials
photographic finder
physical inventories
pocketwatches
preconscious level
pressure mill
pyromotor
railroad switches
reactive potency
recreation movement
red maple (acer rubrum l.)
run one's course
sad apple
salt plains
score off sb.
self tapping screw
self-closing fire door
shenglimeisu
Slovakness
society for motion picture and tv engineers
sodium ribonucleotide
sound pressure variation
square shank ratchet drill
steric compression
terrorism information awareness
thermal donor defect
three square smooth file
three-axis reference system
to-be-sure
Trichophytide
tube-drawing machine
turcat
under-developed country
universal personal telecommunications number
up limit
wanna be
wintersport
zoomastigotes