Systems Science

How can the moon or sun seem to disappear right before our eyes? When the moon, the Earth, and the sun align just right in their orbits, they can cause a solar or lunar eclipse! Find out how light and shadow work together to trigger these cool events.

The skeletal system is made up of about 206 bones. But what exactly is a bone? And how do bones help your body function? Explore the skeletal system in this engaging and informative audiobook.

We can encounter chaos in every system around us - even the smallest and simplest ones. Any system can fall into chaos, which prevents us to accurately predict its behavior. Even a small change in the initial conditions can lead to unexpectedly large-scale consequences. Therefore, we can often enter in panic, blame actors for events they are not responsible for, and our sense of security in the world can generally decrease.

Where life as we know it is impossible, the real adventure begins. Venus is a hostile planet, covered by active volcanoes, but NASA launches an expedition to search for life there anyway. Their specially developed airship cruises in the clouds of Venus to serve as a research platform for its four astronauts. When they discover dangerous activities on the glowing-hot surface, there can only be one explanation: A highly sophisticated life form must be at work.

New York Times best-selling author Seth Siegel tells how contaminants got in our drinking water, what they’re doing to us, and what we must do to make our water safe.

जाति और पितृसत्ता ई.वी. रामासामी नायकर 'पेरियार' के चिन्तन, लेखन और संघर्षों की केन्द्रीय धुरी रही है। उनकी दृढ़ मान्यता थी कि इन दोनों के विनाश के बिना किसी आधुनिक समाज का निर्माण नहीं किया जा सकता है। जाति और पितृसत्ता के सम्बन्ध में पेरियार क्या सोचते थे और क्यों वे इसके विनाश को आधुनिक भारत के निर्माण के लिए अपरिहार्य एवं अनिवार्य मानते थे? इन प्रश्नों का हिन्दी में एक मुकम्मल जवाब पहली बार यह किताब देती है।ऑडियो में यह किताब साहित्य प्रेमियों के लिए उपहार है, जहाँ वो एक तरफ़ आवाज़ के जादू में बंधते चले जाते हैं, वहीं दूसरी तरफ़ समाज को देखने का एक नज़रिया भी उन्हें हासिल होता है।

Step into the mind-bending world of The Variable Man by Philip K. Dick. In a future where war, technology, and predictive algorithms determine every outcome, a man from the past unexpectedly arrives—throwing the entire system into chaos. As governments and military forces scramble to eliminate this anomaly, they soon realize that his very unpredictability might be the key to reshaping the future.

Start a peaceful revolution by planting an edible ecosystem and sharing the experience with your neighbors. Humans have always thrived in rich, diverse, edible ecosystems. Yet most cities and suburbs are blanketed by lawns, ornamentals, and a lack of biodiversity, let alone anything edible. It is within these sterile landscapes that seeds of an edible ecosystem lie. The Edible Ecosystem Solution is a comprehensive, practical guidebook that looks at underutilized spaces to reveal the many opportunities for landscape transformation.

From the email marketing director of Hillary Clinton's presidential campaign and the co-founder of Run for Something comes an essential and inspiring guide that encourages and educates young progressives to run for local office, complete with contributions from elected officials and political operatives.

What if the key to healing lies in embracing the parts of yourself you've been taught to suppress? Transformative Shadow Work is your all-in-one guide, workbook, and journal designed to help you integrate your hidden self, break free from emotional triggers, and step into self-acceptance.

The SAD pandemic is real. Sexual Violence, Addictions, and Domestic Violence (SAD) result in too many children in care yearly, aging out to different systems such as prison, employment and income assistance programs, mental health institutions, drug rehabilitation, and homelessness. Are we going to allow the cycle to continue for generations?

A clock hangs over the head of every mortal. Counting down to the inescapable day that the Goddess of Death claims them. That is the way of the world. The natural cycle of mortals. The Gods, however, were said to live for forever. To exist so far outside of the natural laws of the universe that even their crimes can't be punished. But Knell Coba, at great cost, realizes this is nothing but another lie.

At a time when Steve Jobs was only a teenager and Mark Zuckerberg wasn't even born, a group of visionary engineers and designers - some of them only high school students - in the late 1960s and 1970s created a computer system called PLATO, which was not only years but light-years ahead in experimenting with how people would learn, engage, communicate, and play through connected computers.

Solar Power for Beginners uses stepwise instructions, tons of real-life examples, and various schematics that make your solar learning life easier. DIY Source authors have consulted with numerous mobile solar power DIYers, electrical and photovoltaics engineers, and off grid solar professionals to prepare a solar guide to power your adventures.

A mad scientist. A murdered James Kirk. A universe collapsing onto itself! Featuring a dramatic reading by Leonard Nimoy and George Takei, and enhanced with sound effects and an original score!

First published in 1934, this visionary tale redefined science fiction with its vivid world-building and truly alien lifeforms. Follow astronaut Dick Jarvis as he crash-lands on Mars and encounters Tweel—a bizarre yet intelligent creature unlike anything humanity has ever known.

Knowing where to start when learning a new skill can be a challenge, especially when the topic seems so vast. There can be so much information available that you can't even decide where to start. Or worse, you start down the path of learning and quickly discover too many concepts, commands, and nuances that aren't explained. What you learn in Linux for Beginners applies to any Linux environment including Ubuntu, Debian, Linux Mint, RedHat, Fedora, OpenSUSE, Slackware, and more.

In The Politics Industry, Katherine Gehl and Michael Porter ingeniously apply the tools of business analysis - and Porter's distinctive Five Forces framework - to show how the political system functions just as every other competitive industry does, and how the duopoly has led to the devastating outcomes we see today. Using this competition lens, Gehl and Porter identify the most powerful lever for change - a strategy comprised of a clear set of choices in two key areas: how our elections work and how we make our laws.

In the final year of the Trump presidency, America’s borders were within reach of being completely secure as the daily arrests had dwindled to the lowest numbers in United States Border Patrol history. Nations south of our border, which once violated America’s sovereignty and blatantly disrespected it, now adhered to our strong president who forced those nations to heel and show America respect. On January 20, 2021, everything changed.

Born over a century after "The Rise", Jeff scavenges with his tyrannical mother for survival. Banned from cultivating freely, Jeff wants none of this life; his one objective is to join the immortal rankers as they attempt to climb the Northern Tower. On the day of his escape, a powerful guild attacks Leah’s group, and Jeff is thrown through a unique dungeon portal—a portal that hasn’t been used in nearly a hundred years. In the pursuit of Jeff’s ultimate goal, he must choose whether to follow the Church, join a guild, or try it all on his own.