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Up-to-date With The Big Bang, Mass, And Protons
These days I am putting the finishing touches on a hybrid algorithm that optimizes a system (a gamma-ray observatory) by combining reinforcement-learning with gradient descent. Although I published an optimization strategy for that application already, I am going back to it to demonstrate a case where the simultaneous>
Actually though most of the stories say it is the first flower to bloom in space, and Scott Kelly tweeted it as such, it turns out that there have been several flowers grown in space before, most recently in 2012, but the first such was way back in 1982. It does seem to be the first Zinnia to flower in space.Here>
The Nobel Prize in Chemistry 2013 was awarded jointly to Martin Karplus, Michael Levitt and Arieh Warshel "for the development of multiscale models for complex chemical systems".While today, chemical modeling is carried out in computers, in the early 1970s that was far more difficult. Chemical reactions occur at lightning>
A gravity model of the Earth constructed with data from GRACE. Credit: University of Texas Center for Space Research and NASAIt is all about gravity these days. First came GRACE (Gravity Recovery and Climate Experiment) and then we'll have GOCE (Gravity field and steady-state Ocean Circulation Explorer). I'll reveal>
This idea dates back to the Russians in the early 1970s. The surface of Venus is far too hot, and the atmosphere too dense, for Earth life. However, our air is a lifting gas on Venus with about half the lifting power of helium on Earth. A habitat filled with normal air will float high in the dense Venus atmosphere>
Ultrafast, light-sensitive video cameras are needed for observing high-speed events such as shockwaves, communication between living cells and a Usain Bolt sprint. To catch such elusive moments, a camera must be able to capture millions or billions of images continuously with a very high frame rate. Conventional cameras>
