filament
Electric current heats the filament until it emits visible light. This topic is part of Materials within Technology. This page currently draws on 14 supporting questions, with answers and bonus facts available below.
filament trivia questions
In an incandescent light bulb, the filament gets hot enough to do what?
Answer: Glow
Bonus fact: Electric current heats the filament until it emits visible light.
What metal is commonly used for incandescent bulb filaments?
Answer: Tungsten
Bonus fact: Tungsten has an extremely high melting point.
A filament in 3D printing is usually what kind of material?
Answer: Thermoplastic
Bonus fact: Plastic filament is melted and deposited layer by layer.
Why is tungsten used in incandescent lamp filaments?
Answer: It has a very high melting point
Bonus fact: Tungsten can glow at very high temperatures without melting quickly.
What metal is commonly used for an incandescent filament?
Answer: Tungsten
Bonus fact: Tungsten withstands very high temperatures.
What common material is melted as filament in desktop 3D printers?
Answer: Thermoplastic
Bonus fact: PLA and ABS are common filaments.
Why does the Veil Nebula show thin glowing filaments?
Answer: A supernova shock wave is heating and ionizing interstellar gas
Bonus fact: Different gases in the shocked material emit distinctive colors that astronomers can isolate with narrowband filters.
What forms the filament-like structure of the cosmic web?
Answer: Galaxies and dark matter
Bonus fact: Galaxy clusters lie along filaments surrounding vast cosmic voids.
What lies between the filaments of the cosmic web?
Answer: Large voids
Bonus fact: Galaxy clusters lie along filaments surrounding vast cosmic voids.
An incandescent bulb produces light by heating what?
Answer: Filament
Bonus fact: The filament glows when hot.
Which proteins interact to cause skeletal muscle contraction?
Answer: Actin and myosin
Bonus fact: Myosin pulls on actin filaments.
The Veil Nebula lies in which constellation?
Answer: Cygnus
Bonus fact: Its glowing filaments form part of the larger Cygnus Loop supernova remnant.