We Are All Stardust: Scientists Who Shaped Our World Talk by Stefan Klein

By Stefan Klein

World-leading common and social scientists make clear their discoveries and lives in dialog with an award-winning technological know-how writer.

When acclaimed technology author Stefan Klein asks Nobel Prize– profitable chemist Roald Hoffmann what units scientists aside, Hoffmann says, "First and premiere, curiosity." during this choice of intimate conversations with 19 of the world's best-known scientists (including 3 Nobel Laureates), Klein shall we us pay attention in as today's best minds demonstrate what they nonetheless wish to discover—and how their paradigm-changing paintings entwines with their lives outdoor the lab.

From the activities automobile that physicist Steven Weinberg says helped him on his quest for "the conception of everything" to the jazz musicians who gave psychologist Alison Gopnik new perception into elevating young ones, scientists clarify how they locate proposal in all places.

-Evolutionary biologist Richard Dawkins on selfishness
-Anthropologist Sarah Hrdy on motherhood
-Primatologist Jane Goodall on animal behavior
-Neuroscientist V. S. Ramachandran on consciousness
-Geographer Jared Diamond on likelihood in history
And different luminaries!

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Lay 4 ceramic magnets out on the cardboard, starting with the line you just drew, so that you can determine how long one side of the box should be. Lay a magnet flat on the cardboard and rotate the magnet around its center. Move the magnet closer to or farther away from the line you drew to give the magnet enough clearance to rotate. 46 Using Electricity FIGURE 9 This generator was made out of a wooden tea box. The crank spins the magnets inside, and that generates electricity in the wire windings.

With the voltmeter dial turned to the 20-volt setting, touch the red lead to the positive terminal of the battery. Touch the black lead to the negative terminal. Record this value. Is it different from the measurement you made in the previous experiment when the battery was not in a circuit? Things you will need • DC motor • 9-volt battery • voltmeter or multimeter • 2 alligator clip leads • experiment notebook 29 Solar Cell and Renewable Energy Experiments Idea for a Science Fair Project n measure the drop Using a voltmeter, you ca it powers a DC motor.

5. Stack the four magnets together so that you can estimate how wide the box should be. Leave some extra room, as the magnets will slide around on the nail that will be the axle. Also, the axle will take up some additional room, but not much. When you have estimated the width of the end of the box, mark it with a vertical line. 47 Solar Cell and Renewable Energy Experiments 6. Now mark the other side of the box. For this side, you can just measure the length of the first side and use that measurement for the second side.

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