In This Issue
Winter Issue of The Bridge on Frontiers of Engineering
December 25, 2021 Volume 51 Issue 4
The NAE’s Frontiers of Engineering symposium series forged ahead despite the challenges of the pandemic, with virtual and hybrid events in 2021. This issue features selected papers from early-career engineers reporting on new developments in a variety of areas.
Articles In This Issue
  • Tuesday, January 4, 2022
    AuthorJennifer L. West and Timothy C. Lieuwen

    The NAE typically dedicates the winter issue of The Bridge to papers from the annual US Frontiers of Engineering symposium, held in September each year (because of the covid-19 pandemic, the 2020 US FOE was rescheduled to February 25–26, 2021). We are delighted to be part of this issue, which ...

  • Tuesday, January 4, 2022
    AuthorAndrew F.J. Abercromby

    Capability gaps must be addressed to ensure astronauts’ safety and performance during extravehicular activity on missions to Mars.

    The benefits, the opportunities, the challenges, and the risks of space exploration increase by orders of magnitude when sending humans beyond Earth’s ...

  • Tuesday, January 4, 2022
    AuthorRodrigo Blanco Gutierrez

    Unique scale-up approaches are needed to accelerate the development of cost-effective DAC technologies.

    Energy touches, directly or indirectly, every aspect of daily life. As the global population increases, so does the demand for energy. The challenge is to provide affordable, reliable, and clean ...

  • Tuesday, January 4, 2022
    AuthorPeter I. Frazier

    Modeling showed that opening for in-person instruction would actually be safer than moving fully online.

    Government response to the covid-19 pandemic has been chaotic worldwide. Past experience was no longer a reliable guide as decision makers were faced with unfamiliar trade-offs and ...

  • Tuesday, January 4, 2022
    AuthorAdam Hahn, Otis Alexander, and Marie Collins

    A knowledge base of known adversarial behaviors can help organizations prepare for, mitigate, and prevent threats to industrial control systems.

    Industrial control systems (ICS), the foundation of the nation’s critical infrastructure, are increasingly the target of sophisticated cyber ...

  • Tuesday, January 4, 2022
    AuthorJohanna L. Mathieu

    New tools in control theory, optimization theory, AI, and machine learning are being developed to enhance grid reliability.

    The shift toward a more sustainable energy future has led to a number of critical challenges in how to reliably and efficiently operate the electric power grid. Supply and ...

  • Tuesday, January 4, 2022
    AuthorColin McCormick

    The technological promise of DAC will be largely irrelevant to the climate crisis if the question “who pays?” cannot be resolved.

    Direct air capture (DAC) is a key climate technology with the potential to make major contributions to stabilizing atmospheric CO2 levels (McQueen et ...

  • Tuesday, January 4, 2022
    AuthorKyle D. Schneider

    Biologic peptides are safe, effective alternatives to current synthetic agrochemical pesticides.

    A stable and affordable food supply is critical to the foundation and growth of any nation’s economic prosperity. In the United States, agricultural productivity has steadily increased since the ...

  • Tuesday, January 4, 2022
    AuthorSuzanne L. Singer

    Residential photovoltaic systems can provide affordable, much-needed electricity for thousands of Native American families that lack grid-tied electricity.

    Native American tribes have historically developed fossil fuel and ­mineral resources on their lands to provide electricity to major US ...

  • Monday, January 3, 2022
    AuthorLyn Denend, Paul G. Yock, Josh Makower, Dan E. Azagury, and James K. Wall

    We are working to develop systematic, comprehensive assessment instruments for our engineering innovation and entrepreneurship training program.

    Over the past several decades, universities in the United States and abroad have seen exponential growth in training programs in innovation and ...

  • Monday, January 3, 2022
    AuthorBeth Cady

    Inspired by the name of this quarterly, this column reflects on the practices and uses of engineering and its influences as a cultural enterprise.

    Engineering education in the United States has undergone periods of reform for many years, often in response to reports predicting a loss of ...