Converting Small Amounts of Freely Available Energy into Electricity

There are many forms of energy around us: light, heat, vibrations, wind, electromagnetic fields, fluid flow, waves, organic waste, etc. At large scale, many of these energy sources already play a significant role in powering our society and are projected to become dominant contributors by 2040. On the smaller scale, exciting scientific and engineering challenges must be overcome to harness these energy sources.

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Scientists develop new method to create stable, efficient next-gen solar cells

Solar Cell Material image

By Matthew Carroll

Next-generation solar materials are cheaper and more sustainable to produce than traditional silicon solar cells, but hurdles remain in making the devices durable enough to withstand real-world conditions. A new technique developed by a team of international scientists could simplify the development of efficient and stable perovskite solar cells, named for their unique crystalline structure that excels at absorbing visible light.

Backyard insect inspires invisibility devices, next gen tech

TEM of Brochosomes

By Jamie Oberdick

Leafhoppers, a common backyard insect, secrete and coat themselves in tiny mysterious particles that could provide both the inspiration and the instructions for next-generation technology, according to a new study led by Penn State researchers. In a first, the team precisely replicated the complex geometry of these particles, called brochosomes, and elucidated a better understanding of how they absorb both visible and ultraviolet light.

Combining novel biomaterial and microsurgery might enable faster tissue recovery

Illustration of biomaterial and microsurgery

By Jamie Oberdick

For soft tissue to recover and regrow, it needs blood vessels to grow to deliver oxygen and nutrients. Sluggish vascularization, however, can slow or even prevent recovery and regrowth of lost or damaged soft tissue after a severe injury or serious illness such as cancer. To speed up the formation and patterning of new blood vessels, Penn State researchers have combined a novel biomaterial with a microsurgical approach used in reconstructive surgery, enabling improved recovery of soft tissue.

3D-printed skin closes wounds and contains hair follicle precursors

3D printing in Penn State Lab

By Ashley WennersHerron

Fat tissue holds the key to 3D printing layered living skin and potentially hair follicles, according to researchers who recently harnessed fat cells and supporting structures from clinically procured human tissue to precisely correct injuries in rats. The advancement could have implications for reconstructive facial surgery and even hair growth treatments for humans.

3D printing affordable, sustainable and resilient housing in Alaska

3D printed concrete photo

Alaska needs an estimated 27,500 new housing units over the next 10 years to alleviate overcrowding and unsanitary conditions, according to the Alaska Housing Foundation Corporation. An interdisciplinary team of Penn State researchers led by José Pinto Duarte, Stuckeman Chair in Design Innovation and director of the Stuckeman Center for Design Computing (SCDC) in the College of Arts and Architecture’s Stuckeman School, is looking to alleviate some of that stress with a $376,000 U.S. Department of Housing and Urban Development (HUD) grant.

Dual-energy harvesting device could power future wireless medical implants

Research Group Photo

By Matthew Carroll

Implantable biomedical devices — like pacemakers, insulin pumps and neurostimulators — are becoming smaller and utilizing wireless technology, but hurdles remain for powering the next-generation implants. A new wireless charging device developed by Penn State scientists could dramatically improve powering capability for implants while still being safe for our bodies, the researchers said.