By New Scientist
From an analogous editors that introduced you Why Don’t Penguins’ toes Freeze? and Does something consume Wasps?, an exploration of the bizarre and beautiful margins of science―the most recent quantity within the tremendous New Scientist series.
technology tells us grand issues in regards to the universe: how briskly gentle travels, and why stones fall to earth. yet medical pastime is going a ways past those seen foundations. There are a few fields we don`t frequently pay attention approximately simply because they're so really good, or grow to be lifeless ends. but researchers have given hallucinogenic medicinal drugs to blind humans (seriously), attempted to weigh the soul because it departs the physique, and deliberate to blast a brand new Panama Canal with an atomic weapon.
genuine medical breakthroughs occasionally pop out of the main spectacular and unpromising paintings. Do Sparrows Like Bach? is ready the margins of science―investigating every thing from what it`s prefer to die to exploding pants and recycled urine. Who in the world could burn off their beard with a laser? Produce a fireproof umbrella that doubles as a parachute? exchange sniffer canines with gerbils? may a chemical component to flatulence be the subsequent Viagra? Do sparrows (and even fish for that topic) favor Bach to Led Zeppelin? The editors at New Scientist journal have the solutions to these types of questions and extra during this social gathering of outrageous, outlandish, and excellent discoveries at the fringes of clinical research.
This striking assortment is an unbelievable reminder that even at its so much erroneous, technological know-how is extremely inventive, frequently hilarious, and will spark the mind's eye like not anything else.
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Additional resources for Do Sparrows Like Bach?: The Strange and Wonderful Things that Are Discovered When Scientists Break Free
Similarly for the saddle or singular matrix, the algorithm would either converge to a line of solutions (singular case), or drop away along the saddle. 1: Graphical depiction of the gradient descent algorithm. The quadratic form surface f = (3/2)x12 + 2x1 x2 + 3x22 − 2x1 + 8x2 is plotted along with its contour lines. In (a), the surface is plotted along with the contour plot beneath. The objective of gradient descent is to ﬁnd the bottom of the paraboloid. In (b), the gradient is calculated and shown with a quiver plot.
Extra features, such as axis label and titles, are discussed in the following paragraphs. 4 gives a list of options available for plotting diﬀerent line styles, colors and symbol markers. Labeling the axis and placing a title on the ﬁgure is also of fundamental importance. This can be easily accomplished with the commands xlabel(’x values’) ylabel(’y values’) title(’Example Graph’) The strings given within the ’ sign are now printed in a centered location along the x-axis, y-axis and title location, respectively.
1 plots (a) the functions f (x) = exp(x) and f (x) = tan(x) and (b) the function f (x) = exp(x) − tan(x). 1: (a) Plot of the functions f (x) = exp(x) (bold) and f (x) = tan(x). The intersection points (circles) represent the roots exp(x) − tan(x) = 0. In (b), the function of interest, f (x) = exp(x) − tan(x), is plotted with the corresponding zeros (circles). 12 MATLAB INTRODUCTION The intersection points of the two functions (circles) represent the roots of the equation. We can begin to get an idea of where the relevant values of x are by plotting this function.