91色情片

A drone using echolocation to map its surroundings

Technology

Flying robot echolocates like a bat to avoid banging into walls

A simple buzzer and some microphones help a drone to navigate and map out its surroundings, much like how a bat uses sound to see in the dark

A drone approaching a branch for sampling

Technology

Drone with sticky patches studies biodiversity by bumping into trees

Map showing where GPS signal has been jammede

Technology

Russia is jamming more GPS satellite signals around Moscow

Little red flying-foxes (Pteropus scapulatus) flying to roost on inland white mahogany trees , Atherton Tablelands, Queensland,Australia

Technology

A noisy flashing drone could stop bats crashing into wind turbines

The drone pilot and other project engineers operated within a make-shift control room.

Environment

Drone used to map radioactive vault at former US weapons site

A gliding seed from a Javan cucumber

Technology

Gliding sensors inspired by floating seeds will biodegrade after use

The HapticPuppet drone

Technology

Drones on strings could puppeteer people in virtual reality

Volodymyr Zelenskyy and drone

Technology

Will Ukraine deploy lethal autonomous drones against Russia?

A specialized robotic drone sprays layers of cement to create a cylindrical structure in a clean laboratory setting with white background behind a staging area for the structure's construction

Technology

Drone swarm that 3D prints cement structures could construct buildings

Flying at some 65,000ft, the ultra-lightweight Zephyr S is uniquely capable of providing persistent surveillance or communications over the same area of land or sea for weeks at a time without landing.

Technology

Zephyr solar-powered drone smashes record with 2-month-long flight

The Airbus Zephyr S, a military reconnaissance aircraft, has more than doubled the record it set in 2018 for an uncrewed flight duration

Technology

US Army wants to pack land vehicles with drone-destroying weapons

Technology

Robot can fly, swim or hitch a ride by sticking to other objects

Robotic drones with suction pads can fly, swim or hitch a ride

Drone swarm avoids crashing in dense forest using new algorithm