of a city’s development.Day 3Day 3Six-legged flying batteries (P6)Six-legged flying batteries (P6 ……

. Volitan, its name, means "flying fish". Thecomputer-controlled(电脑控制的) boat is made to be aseco... batteries. Volitan's four wings change so that it can sail even in bad weather. ……

BRITISH scientists have found a six-legged octopus (章鱼). It has two limbs (肢) fewer than a normal...), but not usually six legs. ……

(可骑乘的) six-legged robot. It stands at 2.8 meters by 5 meters.Denton first showed an interest ……

Less flying... more walking. ……

Less flying... more walking. ……

Green planeLook at this small plane. Its name is Oxyflyer. It is the first plane to fly on batteries (靠电池飞行). ……

get hungry and thirsty.Flying kitesWhat is the best spring activity to free your eyes and neck from screens? Flying kites! On a sunny day with a good breeze (微风), it’s exciting to see hundreds ……

in the sky?IT might look like alien technology, but this flying machine is no UFO (Unidentified Flying Object... in batteries to drive the plane. Then, when it is in darkness, the plane changes its shape ……

废旧电池去了哪里?I collect used4 batteries because they pollute5 the soil and water. That’s harmful... in the recycling box (回收箱). In daily life, we should use less batteries, or use rechargeable (可充电的) batteries. ……

BELIEVE it or not, carbon dioxide can now be used to make batteries. Recently, a team from...电极) of the lithium-ion (锂离子) batteries that power electric cars with carbon materials from the atmosphere ……

BELIEVE it or not, carbon dioxide can now be used to make batteries. Recently, a team from... (石墨电极) of the lithium-ion (锂离子) batteries that power electric cars with carbon materials from ……

is developing a plane that makes flying more environmentally friendly. The X-Plane is an experimental all-electric aircraft. Instead of fuel-powered engines (引擎), the X-Plane gets its power from batteries ……

Solar Impulse 2. They will take off from Abu Dhabi (阿布扎比,阿联酋) before flying over the Arabian Sea..., the solar cells also recharge (充电) lithium batteries (锂电池), which make the aircraft fly at night ……

EASTMAN Kodak Co. has recalled some 75,000 digital cameras worldwide to repair a defect that can shock users changing the batteries, installing or removing the memory card, the US Consumer Product ……