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Why We Need Artificial Gravity for Long Space Missions
science.howstuffworks.com/artificial-gravity.htm
NASA and other agencies have been studying artificial gravity in hopes they will someday use it to help astronauts combat the effects of weightlessness in space. How close are we to that reality?
How to Find Orion's Belt in the Night Sky
science.howstuffworks.com/orions-belt.htm
Winter is the perfect time to look for Orion's Belt in the Northern Hemisphere. If you're new to stargazing, we'll show you how to find it.
When Krakatoa Blew: How the 1883 Eruption Changed the World
science.howstuffworks.com/nature/natural-disasters/krakatoa.htm
The 1883 Krakatoa eruption was gigantic and deadly, but the advent of modern communications and mass media helped to make it one of the earliest and best-known modern natural catastrophes.
Astral Projection: An Intentional Out-of-body Experience
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/astral-projection.htm
Would you like to be able to leave your body at will and travel to other countries and planets? Astral projection promises you can do that. But what does science say about this?
What Exactly Is Sea Foam?
science.howstuffworks.com/environmental/earth/oceanography/sea-foam.htm
Anyone who's been to the ocean has probably seen the foamy white stuff that clings to the sand after a wave breaks and recedes, but what the heck causes that bubbly foam and is it dangerous?
Tsar Bomba: The Most Powerful Nuclear Weapon Ever Built
science.howstuffworks.com/tsar-bomba.htm
In 1961, the Soviet Union detonated the Tsar Bomba, still the biggest, most powerful nuclear bomb ever built. One of the cameramen who recorded the event said it sounded "as if the Earth has been killed."
The Great Planetary Conjunction of 2020
science.howstuffworks.com/great-conjunction.htm
In 2020, Jupiter and Saturn aligned so closely that, from Earth, they looked like they were practically touching. The last time we saw this was in 1226.
How Many Orbeez Does It Take to Fill a Bathtub?
science.howstuffworks.com/math-concepts/orbeez-fill-bathtub.htm
It's an important question, so come with us and we'll show you how to figure it out.
Get Ready for the Quadrantids, the First Meteor Shower of the New Year
science.howstuffworks.com/quadrantids.htm
The Quadrantids are a short but powerful meteor shower that shows up in early January. How can you glimpse it?
The Bohr Model: Quickly Replaced But Never Forgotten
science.howstuffworks.com/life/cellular-microscopic/bohr-model.htm
Niels Bohr proposed the model of the atom that we still learn in school today, even though it's technically incorrect.