Search Result for tag/dark energy

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800px-Multiverse copy

Imagining Other Universes

07/30/15See Comments

If parallel universes exist, would they be just like ours or different? World Science Festival co-founder and Columbia University physicist Brian Greene speculates about some of...[Read More]

Lobelia deckenii, Mount Kilimanjaro, Tanzania

Photo of the Day: Kissed By a Rosette

07/30/15See Comments

Here we see the rosette (a botanical term for a whorl of leaves arranged at about the same height on the stem) of Lobelia deckenii,...[Read More]


What Is Heisenberg’s Uncertainty Principle?

07/29/15See Comments

One of the foundations of quantum mechanics is Heisenberg’s uncertainty principle, which describes how we are limited in what we can know about particles at particular points...[Read More]


Photo Of The Day: NASA Lifts Off

07/29/15See Comments

On this day in 1958, American lawmakers signed legislation creating the National Aeronautics and Space Administration. While NASA was created in response to the launch...[Read More]

Time Thmb

Visualizing Emergent Time

07/29/15See Comments

At the 2015 World Science Festival program “Time is of the Essence … or Is It?” a panel of physicists weighed the question of whether...[Read More]

Green Bamboo Forest

Photo Of The Day: Bamboo-zled

07/28/15See Comments

Bamboo is one of the fastest-growing plants in the world, with some species able to shoot up nearly three feet in 24 hours. A bamboo...[Read More]


Photo of the Day: Heavy Metals

07/27/15See Comments

The Super-Kamiokande (or “Super-K”) detector is one of the largest neutrino detectors on Earth, and it may soon get a lot better at hunting for...[Read More]


Photo of the Day: Under the Glacier

07/26/15See Comments

Some of the eeriest and most beautfiul sights in Iceland are the caves that sometimes form in the country’s expansive glaciers, like this one at Vatnajökull. The...[Read More]


Photo of the Day: Ice Boat Sailors

07/25/15See Comments

Ice forms at sea only in very cold conditions, usually near the poles, because the salt in ocean water lowers the freezing point....[Read More]


Reality Since Einstein

07/24/15See Comments

Albert Einstein left an astonishing legacy. But not even the general theory of relativity was the last frontier of physics. In this program from the...[Read More]