This is really great accomplishment:-)
Montreal, Canada: EnergyOr Technologies Inc., a leading developer of advanced PEM fuel cell systems, recently demonstrated what are believed to be the world’s first fuel cell powered and longest ever duration multirotor VTOL UAV flights, flying for a record 2 hours, 12 minutes and 46 seconds.Continue
HONDA is introducing "Smartphone Case N" that has small six air bag to protect Smartphone in the case.
Sorry, the video is Japanese. Followings are some essence;
The engineer is start development this case by his loss of his own smartphone, drop and damage.
He start drop test and found the critical height of damaging phone…Continue
The EMC shielding material reduce magnetic interference that is good to ArduCpoter3.0.
Measurement of magnetic interference becomes half by 60micron meter low-loss,high permeability nano-crystalline material.
Without magnetic shield…Continue
As you know the Boeing 787 has been grounded by caught fire on the Li-ion battery.
It looks like Japanese battery may have some issues on this incident:-(
You might reminded some laptop PCs caught fire by its Li-ion battery, few years before.
It is ironic to the restriction of…Continue