Robotics

Walking quadruped is controlled and powered by pressurized air

Engineers at the University of California San Diego have created a four-legged soft robot that doesn't need any electronics to work. The robot only needs a constant source of pressurized air for all its functions, including ...

Robotics

Wielding a laser beam deep inside the body

Minimally invasive surgeries in which surgeons gain access to internal tissues through natural orifices or small external excisions are common practice in medicine. They are performed for problems as diverse as delivering ...

Computer Sciences

Double patterns could advance Android device security

Researchers have found that using multiple patterns to unlock an Android phone provides significantly more security than the current single-pattern method, and, in some cases, may be more secure than the four- and six-digit ...

Engineering

Reducing noise transmitted through an open window

A new device that can reduce the intensity of sound passing through open windows is presented in a proof-of-principle study in Scientific Reports. It fits into a two-panel sliding window and can decrease the perceived loudness ...

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