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Energy & Green Tech

Safer lithium-ion batteries move closer as 3D-printed cobalt-free electrodes boost power

Since the early 2000s, lithium-ion (Li-ion) batteries have become the predominant rechargeable power source for many mobile devices, electric vehicles, renewable-energy storage grids and more. But the Li-ion batteries in ...

Hardware

Brain-inspired AI architecture could computing faster and far less power-hungry

Spiking neural networks (SNNs) are artificial intelligence (AI) models inspired by how biological neurons communicate with each other. While biological neurons exchange information in the form of electrical impulses, SNNs ...

Energy & Green Tech

Seaweed-based ingredient helps turn dirt into 3D-printed walls

An ingredient that gives ice cream a creamier texture could make natural earthen materials like clay and sand easier to 3D print into durable structures, according to new research led by scientists at the University of Colorado ...

Energy & Green Tech

3D photothermal design unlocks 8.5-fold higher solar evaporation for desalination and crop irrigation

The global shortage of freshwater has become a critical challenge. Conventional water treatment relies heavily on fossil fuels and associated infrastructure, which can make it unsuitable for remote and harsh regions. In contrast, ...

Technology news

Electronics & Semiconductors

Ultrathin diamond layer boosts performance of high-power electronics

The silicon that forms the foundation of most computer chips has fundamental limits to how much power it can manage, which constrains the speed and energy-efficiency of wireless communication systems. A promising solution ...

Engineering

Jumping spiders inspire ultra-efficient 3D camera

By borrowing a trick from tiny jumping spiders, Northwestern University engineers have developed an extremely energy-efficient 3D camera. Called SpiderCam, the new device senses depth the same way that jumping spiders judge ...