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Frightful Ghost Ships
  • Language: en
  • Pages: 36

Frightful Ghost Ships

From shadowy sails just visible through the mist to shipwrecks that aren't as still as you'd think ... ghost ships can be quite frightful. Discover all that these creepy ships have to offer.

How Transistors Work
  • Language: en
  • Pages: 44

How Transistors Work

Did you know that electric current can be controlled? Have you ever wondered how that might be done? Transistors can act as amplifiers, taking in a small current and sending out a larger one, or as switches, turning electric current on and off. But how do these different transistors work? How are they used in our electronic devices? Discover the history of how transistors were developed, explore how different types of transistors can play different roles in electronics, and learn where transistors may be taking technology in the future!

How LEDs Work
  • Language: en
  • Pages: 44

How LEDs Work

Have you ever wondered how the lights in your alarm clock work? Or have you ever considered how that tiny red light in your TV remote control sends a signal that helps you find your favorite show? What these and countless other bright devices have in common is a light-emitting diode, or LED. But how does an LED work? How is it different from other lightbulbs? Explore the key concepts that make up an LED, including semiconductors, electrons, color, and more. Learn how LEDs are used in electronics, to light homes, and even to grow food for astronauts!

How Circuits Work
  • Language: en
  • Pages: 40

How Circuits Work

Have you ever wondered how electricity powers your home or school? What about how that electricity travels? In any device that uses electricity, inside is a small path called a circuit through which electricity travels. Whether we see them in these devices or not, circuits are constantly at work. But how do circuits work? How were they invented? Explore the key concepts that make up a circuit, including the power source, conducting path, and load. Learn how circuits power devices of all sizes, from computers to the lights in your home to satellites in outer space!

Disability Discrimination
  • Language: en

Disability Discrimination

"Disability discrimination occurs when people with physical or mental disabilities are given fewer opportunities or unfairly treated because of their disabilities. Examples can be found in schools that dont make accommodations for disabled students, buildings that are hard to maneuver in, and workplaces that keep people with disabilities from advancing. Disability Discrimination in Society examines what this discrimination entails, how it is manifested, how widespread it is, how it affects real people, and efforts to address this discrimination."--Publisher's description.

Black Holes
  • Language: en
  • Pages: 48

Black Holes

Black holes are one of the greatest mysteries of outer space. No visible light can escape the strong gravity of a black hole. This makes black holes invisible—and very difficult to study. But scientists make new discoveries and develop new theories about these mysterious objects every day. In 2015, astronomers were able to finally confirm a theory that Einstein had developed one hundred years earlier! And in 2016, scientists found that black holes may form in a different way than they ever thought possible. Read this book to learn more about the incredible and mind-boggling science of black holes.

Ruth Bader Ginsburg, 2nd Edition
  • Language: en
  • Pages: 48

Ruth Bader Ginsburg, 2nd Edition

In 1993 Ruth Bader Ginsburg became the second female justice to serve on the United States Supreme Court. This honor for Ginsburg also marked a turning point for women in the field of law. Ginsburg had endured great adversity to achieve her Supreme Court appointment. As a Jewish woman coming of age in the 1950s, she dealt with not only anti-Semitism but also gender discrimination. And even though she graduated first in her class, she received no job offers. When she finally secured a position, Ginsburg quickly rose through the legal ranks, eventually becoming a Rutgers University professor and arguing women's rights cases for the American Civil Liberties Union. As a judge on the US Court of Appeals in the 1980s and early 1990s, she wrote more than three hundred opinions and earned a reputation as a consensus builder. Follow Ginsburg's journey to Supreme Court Justice, and learn how she advocated for treating people equally under the law until her death in 2020.

Impeachment
  • Language: en
  • Pages: 48

Impeachment

On December 18, 2019, Donald Trump became the third president in US history to be impeached by the House of Representatives. He was later acquitted by the Senate. Earlier that summer, Trump held a phone call with President Volodymyr Zelensky of Ukraine. An unknown whistleblower raised concerns about the call, claiming that Trump had improperly pressured Zelensky to get involved in US politics. Over the following months a dramatic impeachment inquiry unfolded. Fraught hearings played out on television while Democrats and Republicans traded interpretations, arguments, and even insults. Faced with suppressed information and conflicting accounts, the nation tried to discover the truth. In over two hundred years Congress has gathered only a handful of times to debate what makes an impeachable offense. What events led to Trump’s impeachment? How does the impeachment process work? What other presidents have been impeached, and why? Learn the history, mechanics, and milestone events behind impeachment, and discover how the most recent one may affect US politics for years to come.

Roland Penrose
  • Language: en
  • Pages: 352

Roland Penrose

As an artist, an impresario, a biographer and a collector, Roland Penrose (1900-1984) is a key figure in the study of art in England from 1920 to 1984. In the first biography of Penrose, acclaimed biographer James King explores the intricacies of Penrose's life and work tracing the profound effects of his upbringing in a Quaker household on his values, the early influence of Roger Fry, his friendships with Max Ernst, Andre Breton and other surrealists, especially Paul Eluard, his organization of the landmark International Surrealist Exhibition in the summer of 1936, his conflicted relationship with Pablo Picasso, and his tireless promotion of surrealism as well as the production of his own surrealist art. With a deftness of touch, King traces Penrose's complex professional and personal lives, including his pacifism, his work as a biographer - including his outstanding life of Picasso as well as those of Miro, Man Ray, and Tapies - and as an art historian, as well as his unconventionality, especially in his two marriages - including that to Lee Miller -and his numerous love affairs.

Pluto
  • Language: en
  • Pages: 48

Pluto

Did you know that Pluto has mountains, glaciers, and even blue skies? In July 2015 a spacecraft called New Horizons finally reached Pluto—almost ten years after it had launched! The spacecraft flew by Pluto to take the first close-up photos of the dwarf planet. When it began sending those photos back to Earth, scientists were amazed by what they saw. Pluto was more fascinating than scientists ever imagined! Read this book to learn more about New Horizons, its long journey to Pluto, and the things scientists learned from the photos of this distant dwarf planet.