Paulus

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Earth is a marble in this scale model solar system in the desert

You probably know that our solar system is <i>big</i>. But do you have a grasp on just how big it really is? No.<p>A filmmaker and his buddies went to a dried-up lakebed in Nevada to do just that. The vast expanse of the Black Rock Desert gave the crew the space needed to construct a to-scale model of the …

How Big is the Universe?

As technology has evolved, astronomers are able to look back in time to the moments just after the Big Bang. This might seem to imply that the entire …

This Short Film is a Stunning Preview of Human Space Exploration

One day – and it really <i>is</i> only matter of time – humans will set foot on the surfaces of other far-flung worlds in our Solar System, leaving the Earth …

Interstellar Travel... Seriously?

The more you critically think about what interstellar travel implies, the more the prospects for it seem to be based upon fairy tales and magic. I tried to raise some of these issues in my previous blogs: The Dismal Future of Interstellar Travel, and Interstellar Travel?...Nah!. In addition to the …

Everything you need to know about marijuana edibles

<b>Stories of people who accidentally ingest too high a dose from pot brownies are funny when they’re happening to others, but not when they’re</b> …

Carl Sagan, Marijuana Advocate, Explains What It's Like To Be High While Carl Sagan

Carl Sagan, a titan of scientific study and communication, died in 1996, leaving behind an expansive legacy of research and education. He assumed a diverse set of roles throughout his life, including as a longtime casual user of and advocate for marijuana.<p>Sagan's involvement with pot began as a …

Marijuana: Heavy Users Risk Changes to Brain

Worsen a laser to improve it

Researchers show that lasers run better when they shouldn't run at all.<p>Early in my training, I learned one rule: loss is not your friend. In laser …

Cannabis May Have Eased Breast Cancer Symptoms of Siberian Ice Princess

A 2,500-year-old mummy was extracted from the Altai Mountains in Russia in 1993. As it had been encased in permafrost and protected from the …

How Safe Is Recreational Marijuana?

Marijuana is more popular and accessible in the U.S. than any other street drug. In national surveys, 48 percent of Americans say they have tried it, …

Why Marijuana is illegal - Joe Rogan

Why the Big Bang Discovery Is Even More Important Than You Think

As you've probably heard, yesterday a team of scientists identified evidence of cosmic inflation right after the Big Bang, a finding which helps …

Physics

A Scientific Miracle: Theories of Mary's Virgin Birth

<i>Now the birth of Jesus Christ took place in this way. When his mother Mary had been betrothed to Joseph, before they came together she was found to be with child from the Holy Spirit. - Matthew 1:18</i><p>Merry Christmas, scientists! It's that time of year again when all rational human beings shake our …

How People from Earth said "Hi" to a Passing Spacecraft

Um, something in my eye. This wonderful video details a what took place when the Jupiter-bound Juno spacecraft swung past Earth on Oct. 9, 2013 for a …

NASA outlines ingenious plan to resurrect the Kepler planet hunter

"K2" mission would use its solar panels as a pointing device.<p>Back in August, NASA formally threw in the towel on attempts to get its Kepler …

Elusive Higgs decay channel spotted; particle looks ever more standard

A pair of taus, just as the Standard Model ordered.<p>The Standard Model in physics seems to have split personalities. It's very obviously incomplete …

Neutrinos give neutron stars a chill

Improved model for neutron star crust solves one problem while creating another.<p>Neutron stars—the tiny collapsed remains of the cores of stars much …

Polarized light reveals hidden jets of a gamma-ray burst

Astronomers monitored rapid changes in light emission to reveal hidden structure.<p>Long-duration gamma-ray bursts (GRBs) are thought to be the …

Could dark matter be hiding in plain sight in existing experiments?

Particles called axions could be creating noise in superconducting devices.<p>Much of the search for dark matter—the invisible substance comprising 80 …

A View of the Earth

From the Hubble Space Telescope. Which I nearly broke.<p><b>In 1984 I was a senior in college,</b> and I went to see the movie <i>The Right Stuff</i>. And a couple of things really struck me in that movie. The first was the view out the window of John Glenn's spaceship—the view of the Earth, how beautiful it was on …

Where Did Mars' Atmosphere Go? NASA To Investigate | Video

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New Stars: Blazing and Blue

A new image from ESO shows a pretty sprinkling of bright blue stars, the star cluster NGC 2547, a group of recently formed stars in the southern …

How It Works: The Most Powerful Space Rocket

When the firm SpaceX launches its Falcon Heavy rocket into space late this year, the craft will become the mightiest rocket in the world. Only NASA's Saturn V, which sent Americans to the moon, has ever generated more power.<p>In rockets, the most important measure of power is thrust. Falcon Heavy's …

Grand Spiral Galaxy Graced By Faded Supernova

One of the most lovely deep space objects to observe is the grand-design spiral galaxy and there are few so grand as NGC 1637. Located in the …

Scientists Say Voyager 1 Has Left the Solar System, But Has It Really?

A new paper out today reports that the Voyager 1 spacecraft appears to have traveled beyond the influence of the Sun and exited the heliosphere. …

Planck's Cosmic Map Reveals Universe Older, Expanding More Slowly

Like archaeologists sifting through the dust of ancient civilizations, scientists with the ESA Planck mission today showed a map of the oldest light …

Extreme Telescopes: Unique Observatories Around the World

In 1888, astronomer Simon Newcomb uttered now infamous words, stating that “We are probably nearing the limit of all we can know about astronomy.” …

New Kind of "Runt" Supernovae Could be Lurking Unseen

Imagine this “Death from the Skies” scenario; a tiny supernova lurks unseen near our Sun. Astronomers from the Harvard-Smithsonian Center for …