Engineering news

Engineering

An ultra-stretchable triboelectric strip sensor (TSS) to control objects in 3-D space

Nanogenerators, technological tools that can convert mechanical or thermal energy into electricity, come in three key designs: piezoelectric, triboelectric and pyroelectric. While piezoelectric and triboelectric nanogenerators ...

Engineering

EpiWear: Students work up wearable to halt allergic reactions

What if, in an emergency, you reach for your epinephrine shot and it's not there? It would be if you were wearing it.

Engineering

Up in arms: Insect-inspired arm technology aims to improve drones

A drone delivery is great—on a perfect, sunny day. But what about when it's windy? Most drones are not able to withstand wind because of their fixed-arm design.

Engineering

Taking a cue from spider webs, researchers capture fresh water with vapor capture system

Inspired by how dew drops form on spider webs, UCLA engineers and mathematicians have designed a unique and effective water vapor capture system that could be used to produce clean, fresh water, or to recycle industrial water ...

Engineering

In California, giant Stratolaunch jet flies for first time

A giant six-engine aircraft with the world's longest wingspan completed what company officials called a superb initial flight over California's Mojave Desert, bringing to life a dream held by the late Microsoft co-founder ...

Robotics

Engineers tap DNA to create 'lifelike' machines

As a genetic material, DNA is responsible for all known life. But DNA is also a polymer. Tapping into the unique nature of the molecule, Cornell engineers have created simple machines constructed of biomaterials with properties ...

Engineering

Engineers develop concept for hybrid heavy-duty trucks

Heavy-duty trucks, such as the 18-wheelers that transport many of the world's goods from farm or factory to market, are virtually all powered by diesel engines. They account for a significant portion of worldwide greenhouse ...

Engineering

Industrial 3-D printing goes skateboarding

Kayak paddles, snowshoes, skateboards. Outdoor sporting goods used to be a tough market for 3-D printing to break into, but fused particle fabrication (FPF) can change that.

Engineering

Mystery of negative capacitance in perovskite solar cells solved

On the verge of outcompeting current thin-film solar cells, perovskite solar cells seem to embody an ideal solar cell with high efficiency and low cost. However, they have poor long-term stability, which remains a challenge. ...