时间:2019-01-08 作者:英语课 分类:Scientific American(九)月


英语课

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute.


 


It’s not often that an incoming college freshman 1 is already starting his own multimillion dollar business. But that’s what’s happening to Ben Gulak. He’s a 19-year-old Canadian who’s just starting at M.I.T. Gulak’s was inspired by the overwhelming smog he saw on a trip to China two years ago. He thought there should be something better than all the polluting scooters. He spent two years tinkering and came up with a contraption he calls the Uno. It’s an electric vehicle that looks like a cross between a motorcycle and a unicycle.


 


There are actually two wheels, but they’re side by side, not front and back. And the controls consist of a single on-off switch. You balance by simply sitting upright. You accelerate by leaning forward. Leaning backward activates 2 the brakes. And you turn by simply leaning to the left or right. The computer control system is similar to that of the sidewalk Segway, but this device is designed like a scooter to be ridden on the street. Gulak has already won a number of prizes and gotten funding for his new Cambridge-based business. And he’s planning to balance a double-major in mechanical engineering and business at M.I.T. Which should help him get people to balance on Unos someday soon.


 


Thanks for the minute for Scientific American's 60-Second Science. I'm Cynthia Graber.



n.大学一年级学生(可兼指男女)
  • Jack decided to live in during his freshman year at college.杰克决定大一时住校。
  • He is a freshman in the show business.他在演艺界是一名新手。
使活动,起动,触发( activate的第三人称单数 )
  • Activates the window and displays it in its current size and position. 激活窗口,保持当前的大小及位置不变。
  • Pulling out the alarm switch activates alarm and pushing it deactivates it. 闹钟的开和关是通过拔出和按入闹铃开关实现的。
标签: SSS contraption
学英语单词
Abdallah
akaryocyte
an ETA
anatomical location
anticipatory anxiety
anxiolytically
assuring rate of depth datum
bahusutrabeeja dwaya
barnardo
bicaval
binge eating disorder
blank nitriding
boom support
Borlu
built-in sheave
casuaridaes
cheilitis granulomatosa
cinchonine alkaloid
circuit protection
comb-type cotton stripper
commercial red brass
constant diameter cam
cryptographed
crystal imperfection
cubiclized
custody of standard
decolorants
defect level
delusion of poisoning
draw-
earth sound
economic base theory
eloquent
eruption rain
extended mode
extract technology
feel down
Fissistigma balansae
fixed-gain damping
front screen projection
fruit(ing) body
gene activity
geonomy
Gerlier's disease
Get Over It
gloot-
glucobiose
grape-pips
GSRA
iix
jakob bernoullis
Jalostotitlan
kafilas
lapponicum
larnite
Laurier
leading-in cable
metallic dental syringe
Morchella
moustang
multiple source whistlers
multistage transformer
MULV-R
neutral polymophusm
non magnetic relay armature stop
non-return-to-zero representation
o.c.p.
object-oriented system
obschina
ortho-phosphorous acid
overissue
poor combustion
queue number
read out tube
reduced source
regenerative facilities
regulating current
Sagami-wan
savagenesses
Schauta's operation
Seignette
semivibration
shitfire
shock wave discontinuity
Sinaru
slight haze
smithsonites
sodium cloud
squirrel-cage winding
stallings
sustainable use
tilia oblongifolia rehd.
total efficiency of locomotive
tyre cord
unit's
UNSCCUR
veganizes
volatile producer
weltzin
what's the big idea
woollen dress
wordformat