Posts from this topic will be added to your daily email digest and your homepage feed. These drone deliveries drop down from up to 300 feet high in a tethered ‘droid’ with its own propellers to target ...

X721, a Dubai-based startup company created by former Airbus and Arianespace engineers, is developing a high-altitude platform station (HAPS) relying on a tethered rotor. Other companies, such as U.S.