Green Design

How to Store Liquid Hydrogen for Zero-Emission Flight

Hydrogen is one of the most promising technologies to reduce aviation’s climate impact. When generated from renewable energy sources, it emits zero CO2. Significantly, it delivers...

Design of New Piezoelectric Composites Using Nanocellulose

Using cellulose crystals as building blocks for the design and development of new low-density functional polymer composites.

Collection, Processing, and Accuracy of Mobile Terrestrial LiDAR Survey Data in the Coastal Environment

Using terrestrial LiDAR scanners coupled with a GPS/inertial navigation system to collect elevation data along the coast can help assess the accuracy of the data.

From LASER World of PHOTONICS 2019: Light as the Key to Global Sustainability

The increased use of photonics has the potential to reduce CO2 emissions — by 3-billion tons.

Monitoring a Nearshore Beneficial Use Site: Application of a Benthic Sled and Video Annotation

The U.S. Army Corps of Engineers (USACE) Portland Districts (NWP) maintains safe and navigable waterways in Oregon through a variety of dredging...

2018 Create the Future Design Contest: Aerospace & Defense Category Winner

DETECTING PLASTIC LANDMINES

Hidden PFM-1 anti-personnel landmines are unexploded ordnance (UXO) devices that pose a difficult challenge to conventional...

Merging Antenna and Electronics Boosts Energy and Spectrum Efficiency

By integrating the design of antennas and electronics, researchers from the Georgia Institute of Technology have boosted the energy and spectrum efficiency for a new class...

Meeting Environmental Objectives and Regulations

Gone are the days when the impact of products on the environment or human health were optional business concerns. Regulatory constraints on materials and chemicals are increasing, and many...

Army 3-D Prints a Building

The Construction Engineering Research Laboratory in Champaign, Illinois, has successfully three-dimensionally printed a 512 square-foot concrete structure. The structure, called a barracks hut or B-Hut, was...

In-Flight, On-Demand Hydrogen Production for Greener Aircraft

The Technion-Israel Institute of Technology developed a process that can be used onboard aircraft while in flight to produce hydrogen from water (including wastewater on the...

New Grasses Neutralize Toxic Pollution From Bombs and Munitions

On military live fire training ranges, troops practice firing artillery shells, drop bombs on old tanks or derelict buildings and test the capacity of new weapons. But those...

NASA Tests Technologies to Increase Drone Uses

NASA researchers and drone industry representatives foresee a day when small unmanned aircraft systems (UAS) are used in wildfire spotting, precision agriculture, wildlife monitoring, and...

NASA Studies How Volcanic Ash Affects Airplane Engines

NASA researchers are poring over data from a recent test that involved sending volcanic ash through an airplane engine. The primary issue, according to NASA, is that volcanic ash forms...

NASA Tests New Green Propellants for Satellites

To stay in the proper orbit, many satellites have thrusters – small rocket engines – that fire to change altitude or orientation in space. On Earth, where gravity dominates, five pounds of...

Researchers Create Jet Fuel Compounds From Fungus

Washington State University researchers have found a way to make jet fuel from a common black fungus found in decaying leaves, soil, and rotting fruit. They used Aspergillus...

NASA Tests Green Aviation Technology

Two NASA experiments designed to help reduce fuel consumption and emissions will fly this spring on a specially outfitted Boeing 757 airplane called the ecoDemonstrator. One includes 31 small devices that...

Propulsion Technology Could Combat Flight Pollution

A breakthrough propulsion technology to provide greener air transport could be developed after the underlying engineering was declared a success. Six universities and two research...

Aircraft with Hybrid Engine Can Recharge in Flight

Researchers from the University of Cambridge, in association with Boeing, have successfully tested the first aircraft to be powered by a parallel hybrid-electric propulsion system, where an...

Energy Harvesting Could Help Power Spacecraft of the Future

A consortium is working on a project to maximize energy harvesting on a spacecraft of the future. The initiative seeks to find energy-saving and -maximizing solutions to enable...

New Computer Codes Enable Design of Greener, Leaner Aircraft

A computer model that accurately predicts how composite materials behave when damaged will make it easier to design lighter, more fuel-efficient aircraft. Innovative computer...

Hurricane-Tracking Unmanned Systems Win NASA Challenge

NASA has selected three winning designs solicited to address the technological limitations of the uncrewed aerial systems (UAS) currently used to track and collect data on hurricanes....