David Lee

My first project was to build an ionization gauge control circuit for Professor Edgar Everhart's Cockcroft-Walton accelerator. In those days, vacuum tubes were the active components in electronic circuits. I can still recall the warm orange glow of the vacuum tube filaments and the cool blue glow of the thyratron tubes.

American Physicist

Alex Shoumatoff

Even as global warming increases the frequency of El Nino and the Atlantic event, their effects are being amplified by the annual loss of an area of rain forest the size of New Jersey. Less rain falls, and the water runs into the rivers instead of being sucked up by the fungus filaments and tree roots.

American Writer

Brian Greene

The central idea of string theory is quite straightforward. If you examine any piece of matter ever more finely, at first you'll find molecules, atoms, sub-atomic particles. Probe the smaller particles, you'll find something else, a tiny vibrating filament of energy, a little tiny vibrating string.

Filament usually describes something very thin and often delicate.

Material Thinness

Filaments are flexible and can easily bend without breaking.

Physical Flexibility

Using 'filament' may imply connecting elements or spanning spaces.

Connection Implication

When referencing light bulbs, 'filament' suggests electrical conductivity and light emission.

Electric Connotation

The word is common in hardware stores or when discussing electrical repairs.

Hardware Store Context

In biology, 'filament' refers to complex protein structures, not just simple strands.

Biological Complexity

Biological filaments are microscopic; they can't be seen without magnification.

Microscopic Scale

Use 'filament' in academic or scientific contexts to describe cellular structures.

Scientific Term

 of figure out how it would work and how it would fit and I was nervous because I'm like I've never done this before home I got it you know there's a thing in carpentry you measure measure twice cut once I'm measuring seven times in cutting ones and we go through this process and literally everything that could go wrong did the you guys know how 3d printing works the filament was

Making the impossible...

 This pull is aided by a fundamental property of water called capillary action. In narrow tubes, the attraction between water molecules and the adhesive forces between the water and its environment can beat out gravity. This capillary motion is in full effect in xylem filaments thinner than human hair.

How tall can a tree...

 But that's far from empty. There's still plenty of matter bouncing around. Manufacturers rely on more thorough, sealed vacuums for all sorts of purposes. That includes vacuum-packed food that stays fresh longer, and the vacuums inside early light bulbs that protected filaments from degrading.

Is it possible to create...

 filaments of the protein keratin that grow out of organs known as follicles, which go through cycles of growth and shedding. Across mammalian species, hairs have been modified for numerous purposes, ranging from the soft fluff covering rabbits to the rigid quills protecting porcupines.

Why do we have hair in...

 in the ocean where the light is very dim we took these pictures from a deep diving robotic submarine and you can see the reflection of our lights in that beautiful blue eye the vampire squid has eight long arms and a long curly strand that serves as a sensory filament it has

Meet the Vampire Squid PIPE...

 idea of string theory deep inside any of these particles there is something else there's something else is this dancing filament of energy it looks like a vibrating string that's where the idea of string theory comes from and just like the vibrating strings that you just

String theory - Brian...

 Most plants have a symbiotic relationship with fungi, which colonize the plants' roots and help them absorb water and nutrients. These fungal filaments form extensive networks that can connect separate plants, creating an underground super highway for chemical messages.

Can plants talk to each...

 Here is the new idea of string theory. Deep inside any of these particles, there is something else. This something else is this dancing filament of energy. It looks like a vibrating string -- that's where the idea, string theory comes from.

Making sense of string...

 like the filament in a light bulb, but to do it, he needed a desperate he said the object was made up of oscillators that could only emit light in discrete chunks, units of energy that depend on the frequency of the light.

Particles and waves: The...

 as soon as nephila has finished hanging up her latest catch archerodes starts trying to discover its precise position by pulling the web filaments nephilim has returned to finish her