Jon Meacham

Environmental concern is a little like dieting or paying off credit-card debt - an episodically terrific idea that burns brightly and then seems to fade when we realize there's a reason we need to diet or pay down our debt. The reason is that it's really, really hard, and too many of us in too many spheres of life choose the easy over the hard.

American Editor

Michael Dickinson

There's so many mysteries related to how flies are able to make their way through the world. I'd certainly like to know a lot more about how their brain works. I'd certainly like to know a lot more about just how they're put together. I mean, these animals are basically, topologically, spheres. They don't have bones as we do, of course.

American Scientist

Howard Rheingold

Kids automatically teach each other how to use technology, but they're not going to teach each other about the history of democracy, or the importance of taking their voices into the public sphere to create social change.

American Critic

Jason Silva

Techno-optimism is a belief in the power of technology to extend our sphere of possibilities and, ultimately, a belief that technology helps us solve and transcend problems, limitations and obstacles.

American Director

Nikola Tesla

Every living being is an engine geared to the wheelwork of the universe. Though seemingly affected only by its immediate surrounding, the sphere of external influence extends to infinite distance.

Inventor

Jon Kabat-Zinn

To drop into being means to recognize your interconnectedness with all life, and with being itself. Your very nature is being part of larger and larger spheres of wholeness.

American Educator

Rose Matafeo

Unfortunately we live in a world where I think women aren't actively encouraged or at least not empowered to make good work in every creative sphere, particularly in comedy.

Stephen Hawking

The media need superheroes in science just as in every sphere of life, but there is really a continuous range of abilities with no clear dividing line.

English Physicist

Albert Einstein

The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.

German Physicist

Carl Maria von Weber

An artist's sphere of influence is the world.

German Composer

Used when discussing actual round objects, like a ball or planet.

Physical Object

Sometimes used metaphorically to imply completeness or unity.

Metaphorical Use

Refers metaphorically to areas of knowledge, work, or interest.

Metaphor for Area

Can represent influence or control in abstract contexts.

Figurative Extension

Describes groups with shared traits or interests, often professional or social.

Social Groups

Indicates a societal segment with specific cultural or social norms.

Cultural Indication

Can imply a personal world or the setting of one's life.

Personal Space

May suggest safety, comfort, or belonging when used personally.

Emotional Implication

Specific to astronomy, representing the sky as a dome where stars lie.

Astronomical Concept

Refers to how we perceive the sky, not physically real.

Visual Perception

 So we're shooting in every direction. This is a camera system that we built that has 3D cameras that look in every direction and binaural microphones that face in every direction. We take this and we build, basically, a sphere of a world that you inhabit. So what I'm going to show you is not a view into the world, it's basically the whole world stretched into a rectangle.

Chris Milk: How virtual...

 carving out a sphere of darkness. This bright ring reveals the black hole's event horizon, where the gravitational pull becomes so great that not even light can escape. Einstein's equations predict the size and shape of this ring, so taking a picture of it wouldn't only be really cool, it would also help to verify that these equations hold

How to take a picture of...

 and even the insides of his friends, which is probably pretty awkward. Once the hapless square comes to terms with the third dimension, he begs his host to help him visit the fourth and higher dimensions, but the sphere bristles at the mere suggestion of dimensions higher than three

Exploring other...

 state-of-the-art submersible for the deepest solo man dive in history the whole sub actually squeezes down almost three inches in length when it gets to the bottom of the ocean just because of the pressure the sphere that I'm in actually actually shrinks the the window

James Cameron Breaks...

 and darker the deeper we go the greater the pressure on the outside of the Sun but we don't feel that inside just very occasionally we'll hear the acrylic sphere creaking under the strain we believe the squid we seek live anywhere in the twilight zone that

Journey 1000m Below The...

 would harness both stellar energy and subatomic technologies. But these predictions weren't made just for us humans. They double as a possible means of detecting intelligent life in the universe. If we find a Dyson sphere around a distant star,

Is there a limit to...

 I would get comfortable in that situation and I would slow my metabolism, which I was sure would help me hold my breath longer than I had been able to do it. I was completely wrong. I entered the sphere a week before the scheduled air date.

How I held my breath for...

 that when you're trying to fuse images together onto a sphere you really need to hold the device still in space and only rotate because otherwise you introduce parallax and then it becomes very hard to create a stitch from a

Photosynth 2: Exploring...

 without leaving any gaps, I can use cubes, right? Not spheres, those leave little gaps. What is the best shape to use? Lord Kelvin, of the famous Kelvin degrees and all, said that the best was to use a truncated octahedron

Eduardo Sáenz de...

 The city generated its riches by controlling the sources and trade of the most prized gold, ivory, and copper. With this mercantile power, it was able to extend its sphere of influence across continents,

Sphere

Physical Object

Metaphorical Use

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