Molecular “hats” allow in vivo activation of disguised signaling peptides
Using molecular "hats," researchers have developed a way to sneak biomaterials containing the signaling molecules into living animals. When the disguised peptides are needed to launch biological processes, the researchers shine ultraviolet light onto the molecules through the skin, causing the “hat” structures to come off.
Carbon soot particles, dust blamed for discoloring India’s Taj Mahal
The Taj Mahal’s iconic marble dome and soaring minarets require regular cleaning to maintain their dazzling appearance, and scientists now know why. Researchers from the United States and India are pointing the finger at airborne carbon particles and dust for giving the gleaming white landmark a brownish cast.
Smaller lidars could allow UAVs to conduct underwater scans
Researchers from the Georgia Tech Research Institute (GTRI) have designed a new approach that could lead to bathymetric lidars that are much smaller and more efficient than the current full-size systems. The new technology would let modest-sized unmanned aerial vehicles (UAVs) carry bathymetric lidars, lowering costs substantially.
Army collaboration produces new test station for missile warning system
Collaboration between the Georgia Tech Research Institute (GTRI) and the Army Reprogramming Analysis Team (ARAT) has led to development of a new integrated support station (ISS) for testing software used in the Army's aircraft missile warning systems.
Researchers develop world’s thinnest electric generator
Researchers have reported the first experimental observation of piezoelectricity and the piezotronic effect in an atomically thin material, molybdenum disulfide (MoS2), resulting in a unique electric generator and mechanosensation devices that are optically transparent, extremely light, and very bendable and stretchable.
Snakes and snake-like robots show how sidewinders conquer sandy slopes
Researchers report that sidewinder snakes improve their ability to traverse sandy slopes by simply increasing the amount of their body area in contact with the granular surfaces they’re climbing. The information could help search-and-rescue robots traverse such sandy environments.
May 21, 2014 -- Every day U.S. military and security units receive vast amounts of data collected by intelligence, surveillance and reconnaissance (ISR) sensors. To aid this effort, researchers are helping to improve the capabilities of the nation’s Multi-Disciplinary Intelligence (Multi-INT) system, which monitors this incoming data.
May 15, 2014 - A new review article in the journal Science points the way toward a future where lignin is transformed from a waste product into valuable materials such as low-cost carbon fiber for cars or bio-based plastics. Using lignin in this way would create new markets for the forest products industry and make ethanol-to-fuel conversion more cost-effective.
May 8, 2014 - When ovarian cancer spreads from the ovaries it almost always does so to a layer of fatty tissue that lines the gut. A new study has found that ovarian cancer cells are more aggressive on these soft tissues due to the mechanical properties of this environment. The finding is contrary to what is seen with other malignant cancer cells that seem to prefer stiffer tissues.
May 5, 2014 -- According to a study published in the journal Proceedings of the National Academy of Sciences, co-evolutionary changes in species may reverse traditional predator-prey population cycles, creating the appearance that prey are eating the predators.
April 29, 2014 -- Research laboratories at Rice University and Georgia Tech have tested the fracture toughness of graphene for the first time by making and measuring "pre-cracks" under stress.
Research Horizons Winter-Spring 2014 -- Materials research is a major priority at Georgia Tech that involves some 200 faculty members. Major research areas include materials for electronics, infrastructure, energy, environment, transportation, biotechnology, aerospace and defense.
April 17, 2014 -- Using a mix of theoretical and computer-based approaches, researchers are trying to predict the dynamics of events such as black holes devouring stars, a scenario also known as a "tidal disruption."
April 16, 2014 -- Electrical engineers at the Georgia Institute of Technology recently published a "roadmap" that details innovative analog-based techniques that could make it possible to build a practical neuromorphic computer that mimics the brain's operation.
April 14, 2014 - Fish living on coral reefs where carbon dioxide seeps from the ocean floor were less able to detect predator odor than fish from normal coral reefs, according to a new study.
April 10, 2014 -- Researchers have developed a new understanding of the T-cell recognition process by describing how T-cell receptors use mechanical contact – the forces involved in their binding to antigens – to make decisions about whether or not the cells they encounter are threats.