Engineering

Concrete in road tunnels decomposes unexpectedly fast

When seawater penetrates concrete in road tunnels, a biofilm is formed that breaks down the concrete. This can lead to high costs and the risk of damage if stone and concrete drop from the tunnel roof. In a new study, led ...

Engineering

Ultrathin electronic tattoos for wearable computing

Researchers at Carnegie Mellon University's College of Engineering are using an off-the-shelf printer to develop robust, highly flexible, tattoo-like circuits for use in wearable computing.

Engineering

Hydrogen-powered drives for e-scooters

Hydrogen is regarded by many as the future of propulsion technology. The first hydrogen-powered cars are already in action on German roads. In the case of e-scooters, however, installation of a high-pressure tank to store ...

Engineering

A DVD-sized disk that can store 1 million movies

A team of photonic engineers affiliated with several institutions in China has developed a new type of optical DVD that is capable of holding up to a petabyte of data. The group used a new material to coat the DVDs and new ...

Engineering

Exoskeleton keeps up with flow on the streets of New York

ReWalk Robotics, is a medical device company which has created ReWalk, an exoskeleton. The company team is focused on exoskeletons that can allow wheelchair-bound people to stand up and walk—not just in the rehab rooms of ...

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