Louis Friedman, Executive Director of the Planetary Society, presents the first comprehensive look at the science and history behind solar sailing and other designs for space travel. Serious science readers and space buffs alike will be fascinated by designs for the square sail, disk sail, and the heliogyro (which features flexible sails many kilometers long). Friedman compares solar sailing to other proposed propulsion sytems such as ion drives and laser propulsion, and takes an insider's look at the million-dollar JPL project of the late '70s, which was the first attempt at a working model. Illustrated.

Life hurts; this is true....I smile even though the pain is cutting me deep...I smile...for everything is different now...change has become more than a six letter word and I can't see the end...but I think I can be brave enough...I feel like I can be brave enough...oh I know that I can be brave enough to journey on even though I hide the sadness of this broken heart well, I know that "all" is well...And laughter can be heard after the tears have fallen... -J Asheley Brown-

Nanotechnology is an emerging and exciting area in the field of implants. Numerous promising developments have been elucidated regarding the use of nanotechnology to regenerate tissues. This important book highlights the potential of nanophase materials to improve hard and soft tissue applications. In all cases, increased tissue regeneration has been observed for bone, cartilage, vascular, bladder, and central/peripheral nervous system tissues.

Space science and shared humanity shine as the first Black head of NASA offers an up-close and thrilling account of his shuttle missions, including some of the defining moments of NASA's history. With immersive full-color photos. Sail the stars with astronaut Charlie Bolden as he recounts his amazing shuttle missions, including deploying the Hubble Space Telescope, training with Sally Ride, and leading the first US space mission that included a Russian cosmonaut as a crew member. Charlie even got to congratulate Star Wars creator George Lucas at the Academy Awards--from space! Follow Charlie's incredible story, from watching movies as a kid about Flash Gordon flying to Mars--from the balcony where Black people had to sit--all the way to becoming the first Black NASA Administrator. From the thrill of watching lightning storms from the mesosphere to the heartbreak of the Challenger disaster, Charles's life as a star sailor is full of adventure and discovery, told in his own words along with award-winning author Tonya Bolden. In-depth looks at how astronauts train, work, and live are complemented by diagrams, highlighted vocabulary, scientific sidebars, and incredible personal photographs. Back matter includes an author's note and timeline.

Reproduction of the original. The publishing house Megali specialises in reproducing historical works in large print to make reading easier for people with impaired vision.