Consumer & Gadgets

Walmart plans $3.99 drone deliveries in six states by year-end

Walmart Inc. and partner DroneUp LLC plan to expand their drone-delivery hubs to 34 locations in six states by year-end, taking a big step toward scaling up aerial dropoffs for U.S. shoppers even though big regulatory hurdles ...

Business

Uber bolsters platform for post-pandemic life

Uber said Monday it is revving up to be a "go anywhere and get anything" service, testing delivery robots, weaving in Google voice commands and more as people shed their pandemic lifestyles.

Robotics

Molecular robots that work cooperatively in swarms

In a global first, scientists have demonstrated that molecular robots are able to accomplish cargo delivery by employing a strategy of swarming, achieving a transport efficiency five times greater than that of single robots.

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