Interesting Engineering on MSN15 小时
Balloon-integrated PV system with 19% efficient film boosts output in high latitudes
Researchers developed a portable balloon-mounted PV system, showing high efficiency and CO2 reduction in mid to high-latitude regions.
来自MSN6 个月
Hot air balloons fill the sky for the Great Balloon Rush-Hour Race
The balloons took off around 7 a.m. from Bowman Field. The races are what are known as "hare and hound" races where 19 "hound" balloons chase one "hare" balloon. The hare balloon launches first ...