Henry Carter Hull

The astonishing story of America's airwaves, the two friends-one a media mogul, the other a famous inventor-who made them available to us, and the government which figured out how to put a price on air. This is the origin story of the airwaves-the foundational technology of the communications age-as told through the forty-year friendship of an entrepreneurial industrialist and a brilliant inventor. David Sarnoff, the head of RCA and equal parts...

From Bumper V-2 rocket launches in 1950 to the launch of the Orion spacecraft atop a Delta IV rocket in 2014, NASA's Kennedy Space Center has served as the nation's portal to outer space for over 60 years. Images of Modern America: NASA Kennedy Space Center provides a fascinating look at the evolution of spacecraft technology and vintage images of Florida's scenic Merritt Island, known as the "Space Coast." This photographic history of the nation's...

"Johnstown is synonymous with floodwaters and steel. When the city was decimated by a flood of biblical proportions in 1889, it was considered one of the worst natural disasters in American history and gained global attention. Sadly, that deluge was only the first of three major floods to claim lives and wreak havoc in the region. The destruction in the wake of the St. Patrick's Day flood in 1936 was the impetus for groundbreaking federal and local...

Real-world technology projects pair up with inspiring biographies of female computer scientists to make a full-color book that will have kids ages 8 to 11 eager to develop their own apps! Do you like solving problems? Are you dying to automate even the simplest of processes? Do you always need to know how things work? Programming is the process of breaking down complex tasks into a set of instructions. This is what programmers do when they write code...

In 1961, Pres. John F. Kennedy set the challenge of landing a man on the moon by the end of the decade. In order to achieve this, NASA partnered with US industry to build the largest rocket ever produced, the Saturn V. It was designed and tested in record time and made its first flight in 1967. Less than two years later and within the timescales set by the president, the crew of Apollo 11 was launched on a Saturn V and watched live by millions of...

After a hot and very dry summer, Chicago was largely a wooden tinderbox awaiting a spark that would come on the Sunday night of October 8, 1871. What became known as "the Great Chicago Fire" was a massive firestorm that moved faster than most men could run, fueled by southwest winds of at least 30 miles per hour. The heat was so intense it melted stone and brick buildings in minutes and turned sand on the lakeshore into glass. A total of 18,000 buildings...

In the sequel to Day Zero, stepsisters Jinx and MacKenna must put aside their enmity and work together to rescue their little brother...and possibly save the world. A nonstop whirlwind of a read for fans of Marie Lu, Rick Yancey and Alexandra Bracken. RULE ONE: THOSE WHO PANIC DON'T SURVIVE IT'S AS TRUE NOW AS IT WAS THE DAY OUR WORLD EXPLODED INTO CHAOS Jinx Three months ago, all I wanted was to stay up late playing video games and pretending...