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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>
Elon Musk has just tweeted about his "Nuke Mars to terraform it" idea. He talked about that some years back, in 2015 when many people responded with articles saying it is impossible. Now he is tweeting again.
This is surely just a joke. He can't be serious. Even 3000 nuclear bombs a day exploding over>
There is a little miracle of science happening in your body right now. As you read this, a minuscule 5 grams of a high-energy molecule called adenosine triphosphate - ATP - is causing all kinds of reactions in order to give you the energy to sit at your computer. In total, 8 ounces of ATP is being recycled hundreds>
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>
The Mars Curiosity rover has been on the job since the summer of 2012, exploring Gale Crater on the red planet. It's slow going, it has driven only 25 kilometers to date. But it can be fun to watch, like its
ascent of Mount Mercou, a broad outcrop of rocks on the northern flank of Mount Sharp near the center>
New nano-structured glass optical elements could significantly reduce the cost of medical imaging.In their Applied Physics Letters paper, the team describes how they have used nano-structures to develop new monolithic glass space-variant polarization converters. These millimeter-sized devices generate ‘whirlpools’>
