One consequence of this is there is no guarantee the clocks will tick at the same rate. In fact, many clocks will tick at different rates.
Even worse, the faster you travel relative to someone else, the slower your clock will tick compared to theirs.
Photosynthesis uses a series of chemical reactions to convert carbon dioxide, water, and sunlight into glucose and oxygen. The light-dependent stage comes first, and relies on sunlight to transfer energy to plants, which convert it to chemical energy. The light-independent stage (also called the Calvin Cycle) follows, when this chemical energy and carbon dioxide are used to form carbohydrate molecules (like glucose).
A research team from UC Riverside and the University of Delaware found a way to leapfrog over the light-dependent stage entirely, providing plants with the chemical energy they need to complete the Calvin Cycle in total darkness. They used an electrolysis to convert carbon dioxide and water into acetate, a salt or ester form of acetic acid and a common building block for biosynthesis (it’s also the main component of vinegar). The team fed the acetate to plants in the dark, finding they were able to use it as they would have used the chemical energy they’d get from sunlight.
They tried their method on several varieties of plants and measured the differences in growth efficiency as compared to regular photosynthesis. Green algae grew four times more efficiently, while yeast saw an 18-fold improvement.
An artificially intelligent first author presents many ethical questions—and could upend the publishing process.
The dream of transforming windows into active power generators has just edged one step closer to realization.
A team of researchers from ARC Centre of Excellence in Exciton Science led by Professor Jacek Jasieniak from Monash University’s Department of Materials Science and Engineering has created perovskite cells with a conversion efficiency of 15.5 percent that allows more than 20 percent of visible light through, a press release states.
This improves the stability of solar windows while allowing more natural light in, which means the amount of visible light passing through the cells is remarkably now reaching glazing levels, increasing their potential for usage in a wide range of real-world applications.
It’s effectively a new data set that will fuel the second wave of discoveries about Mars’ surface composition.
But while it was doing that work, it was also gathering lower-resolution mapping strips, about 83,000 of them. Now that CRISM is no longer active, the team is building their map from those strips.
Processing this much data into one cohesive map is a complicated task requiring powerful computing resources. It takes time to optimize the maps and account for environmental conditions and discrepancies between the different images.
Continue reading “NASA just built the best map of Mars to date using 51,000 images” »
Moss rehabilitation research institute — elkins park, pennsylvania.
Presentation April 6, 2012 by Visiting Scholar Carolee Winstein, PhD, PT, FAPTA, Professor and Director of Motor Behavior and Neurorehabilitation Laboratory, University of Southern California, Los Angeles, CA.
Samsung has announced the first mass production of computer chips using a 3 nanometre (nm) process.
Recently, researchers made AI write an academic paper about itself with legit citations and references, and quite to their surprise, the technology successfully executed this task!
Creative thought is surely among our most precious and mysterious capabilities. But can powerful computers rival the human brain? As thinking, remembering and innovating become increasingly interwoven with technological advances, what are we capable of? What do we lose? Join Luciano Floridi, John Donoghue, Gary Small and Rosalind Picard for a thought-provoking program about thinking.
This program is part of The Big Idea Series, made possible with support from the John Templeton Foundation.
Continue reading “Mind and Machine: The Future of Thinking” »
