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Mechanical Engineering

Applying machine learning to materials science
Rendering of 2D graphene molecules

Applying machine learning to materials science

Machine learning and artificial intelligence are applied to an increasing number of tasks, But using machine learning in materials science, which attempts to design and make materials for use in future technologies, has proven to be more difficult.

Penn Today Staff

Not ‘a snowball’s chance in you-know-where’: The $1.2 billion King of Prussia rail line is a longshot
Philadelphia Inquirer

Not ‘a snowball’s chance in you-know-where’: The $1.2 billion King of Prussia rail line is a longshot

Vukan Vuchic of the School of Engineering and Applied Sciences said the probability of advancing a King of Prussia train line proposal “strongly depends on who controls the U.S. House and Senate. I think elections next year will be drastically important.”

‘Metallic wood’ has the strength of titanium and the density of water
microscopic sample of metallic wood

A microscopic sample of “metallic wood.” Its porous structure is responsible for its high strength-to-weight ratio, and makes it more akin to natural materials, like wood. (Photo: Penn Engineering)

‘Metallic wood’ has the strength of titanium and the density of water

In a study published in Nature Scientific Reports, researchers at the School of Engineering and Applied Science, the University of Illinois at Urbana–Champaign, and the University of Cambridge have built a sheet of nickel with nanoscale pores that make it as strong as titanium, but four to five times lighter.

Penn Today Staff

Engineers 3D print smart objects with ‘embodied logic’
venus fly trap

Engineers 3D print smart objects with ‘embodied logic’

Researchers at the School of Engineering and Applied Science have taken inspiration from the sorts of systems embodied in Venus fly traps, utilizing stimuli-responsive materials and geometric principles to design structures that have “embodied logic.”

Penn Today Staff

Autonomous weapons and the new laws of war
The Economist

Autonomous weapons and the new laws of war

The School of Arts and Sciences’ Michael Horowitz weighed in on the downsides of requiring arms control for the use of autonomous weaponry, saying it would be “extremely hard to verify using traditional arms-control techniques.”

Teachers become students to become better teachers at GRASP Lab’s RET program
grasp_lab

The Rehabilitation Robotics Lab at Penn’s Perelman School of Medicine was one of the sites where GRASP Lab members gave local high school teachers a crash course in robotics. 

Teachers become students to become better teachers at GRASP Lab’s RET program

The Research Experiences for Teachers (RET) program run by the GRASP Lab in the School of Engineering and Applied Science is part of a larger National Science Foundation effort to get students interested in science and engineering at an early age. This summer, one cohort of students worked with robots in the Rehabilitation Robotics Lab at the Perelman School of Medicine.

Penn Today Staff

Mapping the ocean with marine robots
Aquatic Robots, Hsieh Lab

caption here

Mapping the ocean with marine robots

M. Ani Hsieh’s robotics lab investigates how to use ocean currents as a natural energy source for marine robots, which would enable widespread exploration.

Jacob Williamson-Rea