Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
petermcneeley
on May 17, 2024
|
parent
|
context
|
favorite
| on:
Army soldiers not impressed with Strykers outfitte...
A very small filament of tungsten can radiate away 100 Watts. Imagine how much power a plate of tungsten could radiate.
mcphage
on May 17, 2024
[–]
Isn’t that also related to surface area? Light bulb filaments are highly coiled, like DNA. That gives a lot more surface area than a plate would.
petermcneeley
on May 17, 2024
|
parent
[–]
The coil is for resistance. You want the voltage drop to be across the filament. The coil of thin wire gives it significant length.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: