53 records found. Displaying 1 - 24.

3D Printing: The Revolution in Personalized Manufacturing

3D printing was once only known through science fiction, such as Star Trek, the popular 1960s TV series. But inventors and engineers on Earth began experimenting in real life with 3D printing Read More →

  • Lexile: 1080
  • Dewey: 621.9/88
  • Copyright: 2018

Agriculture through the Ages: From Silk to Supermarkets

From the Series Technology through the Ages

"For of all gainful professions, nothing is better, nothing more pleasing, nothing more delightful, nothing better becomes a well-bred [person] than agriculture."—Marcus Tullius Cicero,… Read More →

  • Dewey: 338.1
  • Copyright: 2024

Ancient Agricultural Technology: From Sickles to Plows

From the Series Technology in Ancient Cultures

Did you know . . . • Ancient Romans invented a machine to harvest grain? • Farmers in ancient China destroyed the pests that harmed crops by bringing in their natural predators? • The… Read More →

  • Dewey: 630.93
  • Copyright: 2011

Ancient Communication Technology: From Hieroglyphics to Scrolls

From the Series Technology in Ancient Cultures

Did you know that people first used road signs more than 2,000 years ago? Did you know that Ancient Rome had its own postal service? Did you know that Egyptian writers used flakes of… Read More →

  • Dewey: 302.2'2209
  • Copyright: 2011

Ancient Computing Technology: From Abacuses to Water Clocks

From the Series Technology in Ancient Cultures

Did you know . . . • Ancient cultures measured time accurately with water clocks? • An engineer in the first century B.C. designed an odometer to calculate distance traveled? • People… Read More →

  • Dewey: 510.28'4
  • Copyright: 2011
Cover: Ancient Construction Technology: From Pyramids to Fortresses
Starred Review & Award Count 1

Ancient Construction Technology: From Pyramids to Fortresses

From the Series Technology in Ancient Cultures

Did you know . . . • The ancient Maya built magnificent pyramid-temples? • Ancient Chinese builders created central home heating systems? • One ancient Greek monument was taller than a… Read More →

  • Dewey: 690.093
  • Copyright: 2011
Cover: Ancient Machine Technology: From Wheels to Forges
Starred Review & Award Count 1

Ancient Machine Technology: From Wheels to Forges

From the Series Technology in Ancient Cultures

Did you know . . . • Ancient people used bows to drill holes and start fires? • The ancient Chinese built a machine to detect earthquakes? •The ancient Romans operated a factory for milling… Read More →

  • Dewey: 621.8093
  • Copyright: 2011
Cover: Ancient Medical Technology: From Herbs to Scalpels
Starred Review & Award Count 1

Ancient Medical Technology: From Herbs to Scalpels

From the Series Technology in Ancient Cultures

Did you know . . . • Doctors in ancient Peru performed brain surgery? • Ancient Greek doctors ran medical schools? • The ancient Indians knew how to protect people from smallpox? Medical… Read More →

  • Dewey: 610.938
  • Copyright: 2011
Cover: Ancient Transportation Technology: From Oars to Elephants
Starred Review & Award Count 1

Ancient Transportation Technology: From Oars to Elephants

From the Series Technology in Ancient Cultures

Did you know . . . • People first used skis more than 8,000 years ago? • The first wheels were used in pottery—not for transportation? • Traffic jams often clogged the streets of ancient… Read More →

  • Dewey: 629.04093
  • Copyright: 2011

Ancient Warfare Technology: From Javelins to Chariots

From the Series Technology in Ancient Cultures

Did you know . . . • The Scythians used guerrilla warfare more than 2,500 years ago? • The Chinese general Sun-tzu wrote the first military manual in the fourth century B.C.? • Some ancient… Read More →

  • Dewey: 355.0209'01
  • Copyright: 2011
Cover: Apollo 13: A Successful Failure
Starred Review & Award Count 1

Apollo 13: A Successful Failure

"Houston, we've had a problem." On April 13, 1970, the three astronauts aboard the Apollo 13 spacecraft were headed to the moon when a sudden explosion rocked the ship. Oxygen levels began… Read More →

  • Lexile: 1000
  • Dewey: 629.45/4
  • Copyright: 2020
Cover: Artificial Intelligence: Building Smarter Machines
Starred Review & Award Count 1

Artificial Intelligence: Building Smarter Machines

In 2011 a computer named Watson outscored two human competitors on the TV quiz show Jeopardy! and snagged the million-dollar prize. Watson isn't the only machine keeping up with humans. The… Read More →

  • Lexile: 1170
  • ATOS: 8.6
  • Dewey: 006.3
  • Copyright: 2018

Asteroids, Comets, and Meteors

From the Series Worlds Beyond

During the formation of the solar system, not all of the materials in the vast could of dust and gas were used. What happened to the remaining ice, metal, and rock? It formed what became… Read More →

  • Dewey: 523.5
  • Copyright: 2006
Cover: Attention Hijacked: Using Mindfulness to Reclaim Your Brain from Tech
Starred Review & Award Count 1

Attention Hijacked: Using Mindfulness to Reclaim Your Brain from Tech

Technology surrounds us every day: a phone alarm wakes us up, an electronic calendar tracks assignment deadlines, GPS directs us to the new dentist’s office, social media keeps us connected… Read More →

  • Lexile: 1020
  • Dewey: 153.7/33
  • Copyright: 2022

Black Holes: The Weird Science of the Most Mysterious Objects in the Universe

In 2015 two powerful telescopes detected something physicists had been seeking for more than one hundred years—gravitational waves from the collision of two black holes. This announcement… Read More →

  • Lexile: 1090
  • Dewey: 523.8/875
  • Copyright: 2018
Cover: Body 2.0: The Engineering Revolution in Medicine
Starred Review & Award Count 1 1

Body 2.0: The Engineering Revolution in Medicine

Scientists are on the verge of a revolution in biomedical engineering that will forever change the way we think about medicine, even life itself. Cutting-edge researchers are working to build Read More →

  • Lexile: 1170
  • ATOS: 8.7
  • Dewey: 610.28
  • Copyright: 2020

Buildings That Breathe: Greening the World's Cities

Imagine looking out from your 18th floor apartment in the middle of the city and seeing trees right in front of you. In an effort to stem climate change, reduce pollution, combat heat, and… Read More →

  • Lexile: 1090
  • Dewey: 628
  • Copyright: 2023
Fall 2024

Communication through the Ages: From Speech to Smartphones

From the Series Technology through the Ages

Reading texts or direct messages, communicating through speech or sign language, and viewing artwork are all among the many ways people share news, ideas, and feelings with one another.… Read More →

  • Dewey: 302.2
  • Copyright: 2025

Computing through the Ages: From Bones to Binary

From the Series Technology through the Ages

“The discovery both of [geometry] and of the other sciences proceeded from utility.”—Proclus Lycius, Greek philosopher, fifth century CE “Geometry is the knowledge of the eternally… Read More →

  • Dewey: 510.9
  • Copyright: 2024
Fall 2024

Construction through the Ages: From Pyramids to Plumbing

From the Series Technology through the Ages

Ancient societies built massive monuments, many of which still stand. How did ancient engineers and builders raise up the Great Wall of China or the Great Pyramids of Egypt? They often needed Read More →

  • Dewey: 624.09
  • Copyright: 2025

Cryptocurrencies and the Blockchain Revolution: Bitcoin and Beyond

In January 2009, a mysterious software developer, Satoshi Nakamoto, exchanged a specially designed code with another developer. The code was a digital currency that Nakamoto had proposed… Read More →

  • Dewey: 332.4
  • Copyright: 2021
Cover: Curiosity's Mission on Mars: Exploring the Red Planet
Starred Review & Award Count 1

Curiosity's Mission on Mars: Exploring the Red Planet

Could life have previously flourished on Mars? Will humans be able to travel there one day? Can humans one day colonize the red planet? NASA scientists have been interested in answering… Read More →

  • Lexile: 1140
  • Dewey: 523.43
  • Copyright: 2014

Cyber Attack

In 2013, the FBI started posting a new most wanted list—not for kidnappers, murderers, or armed robbers, but for online crooks. These "Cyber's Most Wanted" criminals have committed serious… Read More →

  • Lexile: 1270
  • Dewey: 364.16'8
  • Copyright: 2015

De-Extinction: The Science of Bringing Lost Species Back to Life

In the twenty-first century, because of climate change and other human activities, many animal species have become extinct, and many others are at risk of extinction. Once they are gone, we… Read More →

  • Lexile: 1140
  • ATOS: 8.2
  • Dewey: 591.68
  • Copyright: 2017