Science Universe

The Trouble with Physics argues that a limited notion of time is holding physics back. It's time for a major revolution in scientific thought. The reality of time could be the key to the next big breakthrough in theoretical physics. What if the laws of physics themselves were not timeless? What if they could evolve? Time Reborn offers a radical new approach to cosmology that embraces the reality of time and opens up a whole new universe of possibilities.

Scientists in the past few decades have made crucial discoveries about how our cosmos evolved over the past 13.8 billion years. But there remains a critical gap in our knowledge: We still know very little about what happened in the first seconds after the Big Bang. At the Edge of Time focuses on what we have recently learned and are still striving to understand about this most essential and mysterious period of time at the beginning of cosmic history.

This debut science fiction novel is the story of Sira--a woman on the run from the law, from her own people, and from an unknown figure determined to use her for his own ends. Her memory taken from her by a stasis block, she must stay free long enough to regain both her identity and the full use of her telepathic powers. The price of failure may not only be the loss of her own future, but that of her entire race.

The first of the seven books set in the Liaden Universe tells a rich and sweeping story of warring families and star-crossed lovers in a fantastic, other-world galaxy.

Egypt, 1912. In an alternate Cairo infused with the otherworldly, the Ministry of Alchemy, Enchantments, and Supernatural Entities investigate disturbances between the mortal and the (possibly) divine. What starts off as an odd suicide case for Special Investigator Fatma el-Sha’arawi leads her through the city’s underbelly as she encounters rampaging ghouls, saucy assassins, clockwork angels, and plot that could unravel time itself, in P. Djèlí Clark's Tor.Com Original, A Dead Djinn in Cairo.

The universe is a vast, mysterious, and incredibly cool place. It’s filled with things so strange and wonderful they can make your head spin. From the tiniest particles buzzing around beneath the surface of reality to the largest structures stretching across billions of light-years, the cosmos is packed with surprises. And the more we learn, the more we realize just how much we don’t know. When you glance up at the night sky, you’re not just looking at stars. You’re peering into the deep past, through millions or even billions of years.

Tommy and Ozzie have been best friends since the second grade, and boyfriends since eighth. They spent countless days dreaming of escaping their small town - and then Tommy vanished. More accurately, he ceased to exist, erased from the minds and memories of everyone who knew him. Everyone except Ozzie.

And so continues the saga of the Clan invasion and the explosive struggle within the Inner Sphere. With secret aid from ComStar, the Terran-based sect that serves as the keeper of the Inner Sphere's technological secrets, the Clans' BattleMech warriors have been incredibly successful in their campaign of invasion. But ComStar has its own reasons for giving aid to the enemy, and if its strategy proves successful, the Inner Sphere worlds will finally be reunited under ComStar's rule.

In his phenomenal bestseller A Brief History of Time, Stephen Hawking literally transformed the way we think about physics, the universe, reality itself. In these thirteen essays and one remarkable extended interview, the man widely regarded as the most brilliant theoretical physicist since Einstein returns to reveal an amazing array of possibilities for understanding our universe.

What if the Universe ran out of an office in Queens? And what if your job was to shape the world, but every move you made risked unraveling it?

A phantasm from a darker past makes its presence known to Khae Wys, Queen of the Elves. Braving the perils of a haunted tower, the queen seeks the counsel of the mysterious Fae, for only they can predict what is to come. A future that doesn't bode well for her only living child. In a desperate attempt to save the heir to the Willow Throne, Princess Ouderling is exiled to the only place capable of protecting her. Highcliff, the home of the coveted Crystal Cavern and the dragons that watch over it. The Duke of Grim, however, has other plans for the princess.

Escucha ahora la biografía definitiva de Albert Einstein, uno de los iconos del siglo XX y su mayor genio.

I'm Hailey Bradbury: Hedge Witch and Vampire. My sire was staked moments after I was turned. As a youngling, the Voodoo Queen adopted me. She taught me her art.

In a universe where a being’s very existence is a game and its players tussle for power, Earth is the latest battleground, but for Titus and his friends, the stakes are very real. Earth’s future hangs in the balance and power beyond imagining waits to be seized. When the System came, it ravaged Earth, destroying everything Humankind had built and killing billions in a matter of days. For those few that survived, like Titus, it was like living in a hellscape.

Amanda McKee is a psiot, an evolved subspecies of humanity with mysterious psychic powers. According to billionaire Toyo Harada and his secret research organization, the Harbinger Foundation, she has the ability to talk to machines, control technology, and even see into a secret parallel world that exists inside computers: the Digital World. But Harada wants Amanda to keep that last bit under wraps—along with the fact that she’s his adopted daughter.

Cairo, 1912: The case started as a simple one for the Ministry of Alchemy, Enchantments, and Supernatural Entities - handling a possessed tram car. Soon, however, Agent Hamed Nasr and his new partner, Agent Onsi Youssef, are exposed to a new side of Cairo stirring with suffragettes, secret societies, and sentient automatons in a race against time to protect the city from an encroaching danger that crosses the line between the magical and the mundane.

The Oracle has Seen the end of Civilization, and the end of the Haosa, too. Reactions to this are—mixed. On the one hand, foresight is a notoriously erratic Gift. On the other, can Civilization—or the Haosa—afford to assume that the prophecy is an error? And if the Oracle has Seen truly—is it possible to alter the future?

The Law of Vibration and the Law of Attraction control the ebb and flow of every life on Earth, but many live their lives unaware of the power these laws can give them. Uncover the secrets of these and other spiritual laws of the universe.

The second half of the 20th century witnessed a scientific gold rush as physicists raced to chart the inner workings of the atom. The stakes were high, the questions were big, and there were Nobel Prizes and everlasting glory to be won. Many mysteries of the atom came unraveled, but one remained intractable-what Frank Close calls the "Infinity Puzzle."

In Journey Through The Solar System, you can join the experience of a lifetime without leaving your home. Get ready for an unforgettable space holiday! You're about to launch on a voyage beyond your wildest dreams, touring the marvels of our Solar System (the sun, planets, comets, and asteroids) and the mysteries of the cosmos.