Nanogenerators capable of converting mechanical energy into electricity are typically made from metal oxides and lead-based perovskites. But these inorganic materials aren't biocompatible, so the race is on to create natural ...
Nanophysics
Sep 15, 2020
0
103
Plants and vegetation play a critical role in supporting life on Earth, but there is still a lot of uncertainty in our understanding of how exactly they affect the global carbon cycle and ecosystem services. A new IIASA-led ...
Environment
May 11, 2020
0
127
A new type of battery combines negative capacitance and negative resistance within the same cell, allowing the cell to self-charge without losing energy, which has important implications for long-term storage and improved ...
Condensed Matter
Feb 25, 2020
3
85
Writing in Nature, researchers describe the first-time observation of 'self-organized criticality' in a controlled laboratory experiment. Complex systems exist in mathematics and physics, but also occur in nature and society. ...
Quantum Physics
Jan 16, 2020
1
753
Maxwell's demon is a machine proposed by James Clerk Maxwell in 1867. The hypothetical machine would use thermal fluctuations to obtain energy, apparently violating the second principle of thermodynamics. Now, researchers ...
General Physics
Apr 18, 2019
2
737
A worm whose favorite dish is – of all things—worm larvae has to take great care not to accidentally devour its own progeny. How these tiny worms of merely a millimeter in length manage to distinguish their own offspring ...
Plants & Animals
Apr 5, 2019
0
50
Synchronization, in which two different systems oscillate in an identical way, underlies numerous collective phenomena observed in nature, providing an example for emergent behaviors ranging from the acoustic unison of cricket ...
General Physics
Jan 7, 2019
4
2821
Scientists have developed a human-friendly, ultra-flexible organic sensor powered by sunlight, which acts as a self-powered heart monitor. Previously, they developed a flexible photovoltaic cell that could be incorporated ...
Bio & Medicine
Sep 26, 2018
0
53
(Phys.org)—A combined team of researchers from the Australian National University and City University of Hong Kong has created a material that is capable of mimicking the action of a mimosa leaflet when it is touched. In ...
How can life originate from a lifeless chemical soup? This question has puzzled scientists since Darwin's 'Origin of species'. University of Groningen chemistry professor Sijbren Otto studies 'chemical evolution' to see if ...
Biochemistry
Jan 4, 2016
26
833
