Science & Math
epub |eng | 2008-01-07 | Author:Darwin, Charles; Beer, Gillian; Beer, Gillian

CHAPTER IX ON THE IMPERFECTION OF THE GEOLOGICAL RECORD On the absence of intermediate varieties at the present day—On the nature of extinct intermediate varieties; on their number—On the vast ...
( Category: Political January 8,2017 )
epub |eng | 2017-01-09 | Author:Helen Czerski [Czerski, Helen]

7 Spoons, spirals and Sputnik The rules of spin ONE OF THE nice things about bubbles is that you know where to look for them: at the top. They’re either ...
( Category: Physics January 8,2017 )
epub, azw3 |eng | 2016-10-06 | Author:Carlo Rovelli [Rovelli, Carlo]

5. Spacetime is Quantum There is a paradox at the heart of our understanding of the physical world. General relativity and quantum mechanics, the two jewels that the twentieth century ...
( Category: Quantum Theory January 8,2017 )
epub |eng | | Author:Joseph Ashley

Occultations A third lunar activity very suited for video astronomy is timing occultations of stars by the Moon. An occultation is when some object passes between a star and an ...
( Category: Computer Vision & Pattern Recognition January 8,2017 )
epub |eng | | Author:Jim Chung

In the United States and increasingly in Canada we are witnessing decades of worker’s rights eroded by the spread of globalization. Wages and benefits have been cut, job security lost ...
( Category: Arts & Photography January 8,2017 )
epub |eng | 2016-05-30 | Author:Julie Zickefoose

STEP-BY-STEP BRUSH PILES Brush piles are simple to construct and require no tools. You may want a saw to make the job easier, but if you keep an eye to ...
( Category: Bird Field Guides December 12,2016 )
epub |eng | 2016-08-04 | Author:Anestis, Mark & Cox, Kellie Ploeger [Anestis, Mark]

Osmosis Osmosis is the driving force that moves water from the soil into xylem cells. How in the world does the plant keep the concentration gradient such that it promotes ...
( Category: Advanced Placement December 12,2016 )
epub |eng | 2016-08-04 | Author:Jacobs, Greg [Jacobs, Greg]

Look at that: solve for μ , and the masses cancel. You can plug in the 20-m/s speed and the 100-m radius to get μ = 0.4. A car of ...
( Category: Advanced Placement December 12,2016 )
epub, pdf |eng | 2016-06-28 | Author:Monk, Simon [Monk, Simon]

const int inputPin = 5; void setup() { pinMode(inputPin, INPUT_PULLUP); Serial.begin(9600); } void loop() { int reading = digitalRead(inputPin); Serial.println(reading); delay(1000); } Debouncing When you press a pushbutton, you would ...
( Category: Electronics December 12,2016 )
epub, pdf |eng | | Author:Mark Gallaway

8.3.2 Pointing Once you have all your calibration frames done, open the dome (assuming it’s dark). Some telescopes require you align to two or three bright stars. If you need ...
( Category: Astrophysics & Space Science December 11,2016 )
epub |eng | | Author:Victoria Hall Moran & Nicola M. Lowe

6.2.5 PHYSIOLOGY OF IRON HOMEOSTASIS With a large amount of iron associated with red blood cells, the natural turnover of erythrocytes results in substantial quantities of iron (~20 mg/day) cycling ...
( Category: Health, Fitness & Dieting December 11,2016 )
epub |eng | | Author:Guoliang Wei & Zidong Wang & Wei Qian

From (7.3)–(7.5) and (7.14), it can be seen that where (k) = [xT(k) xT(k−d) and with In the following, we are going to show that Ω < 0 can be ...
( Category: Engineering December 11,2016 )
epub, pdf |eng | 2016-03-14 | Author:A. C. Faul

In every iteration the algorithm overshoots the solution onto the other side further away than it was initially. The distance to the solution is doubled in each iteration. There are ...
( Category: Applied December 11,2016 )
epub |eng | 2016-12-10 | Author:Shaharuddin Salleh & Zuraida Abal Abas

6.1.1 Greedy Algorithm for Finding the Maximum Clique We discuss a greedy algorithm for finding the maximum clique. The graph G(V, E) has nodes V = {v1, v2, v3…vn}. The ...
( Category: Combinatorics December 11,2016 )
epub |eng | 2016-09-14 | Author:Adam Gazzaley & Larry D. Rosen

Older Adults Although technology is often considered a tool for the young, they are not the only ones engaging in the high-tech world. Another study from Dr. Rosen’s lab compared ...
( Category: Social Aspects December 10,2016 )