Energy & Green Tech

The motivation for sustainable aviation fuels

Global air travel consumes more than 100 billion gallons of jet fuel annually. That's expected to more than double by 2025 to 230 billion gallons. Despite the current pandemic, these projections reflect future anticipated ...

Hardware

Samsung develops a slim-panel holographic video display

A team of researchers at Samsung has developed a slim-panel holographic video display that allows for viewing from a variety of angles. In their paper published in the journal Nature Communications, the group describes their ...

Electronics & Semiconductors

Promising strategies for durable perovskite solar cells

Perovskite materials are becoming increasingly popular as the active layer in solar cells. Internal forces in these materials cause distortions in their crystal structures, reducing symmetry and contributing to their intrinsic ...

Robotics

Researchers create fly-catching robots

An international team of Johannes Kepler University researchers is developing robots made from soft materials. A new article in the journal Communications Materials demonstrates how these kinds of soft machines react using ...

Robotics

Beyond batteries: Scientists build methanol-powered beetle bot

Scientists have long envisioned building tiny robots capable of navigating environments that are inaccessible or too dangerous for humans—but finding ways to keep them powered and moving has been impossible to achieve.

Engineering

Under pressure, nontoxic salt-based propellant performs well

In smaller spacecraft such as CubeSat satellites, a salt-based monopropellant is showing promise. It can be used both in high-thrust chemical propulsion for fast time-sensitive maneuvers, and electric mode for slow maneuvers, ...

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