Welcome to DU! The truly grassroots left-of-center political community where regular people, not algorithms, drive the discussions and set the standards. Join the community: Create a free account Support DU (and get rid of ads!): Become a Star Member Latest Breaking News Editorials & Other Articles General Discussion The DU Lounge All Forums Issue Forums Culture Forums Alliance Forums Region Forums Support Forums Help & Search

Science

marble falls

(65,411 posts)

3. That's not so hard to build. I like gadgets that are too large of a solution to a small problem. And this is primo ...

Reply to sl8 (Original post)

Sat May 17, 2025, 08:32 AM

Yesterday

... Not enough wherewithal for a match, but wealth enough to put this gadget together, any part of which is more complicated than a match, vs flint, steel and tinder.

Edit history

Please sign in to view edit histories.

Recommendations

2 members have recommended this reply (displayed in chronological order):

IbogaProject sl8

8 replies

= new reply since forum marked as read

Highlight:

This 200-Year-Old Lighter Ignites Without a Spark [View all] sl8 Yesterday OP

Thanks for this! Going to share it with my husband and son! HeartsCanHope Yesterday #1

De nada. Glad you liked it. nt sl8 Yesterday #2

That's not so hard to build. I like gadgets that are too large of a solution to a small problem. And this is primo ... marble falls Yesterday #3

Cool, cool, cool. Here's the "making of" video: sl8 Yesterday #4

No real difficulty here, the sulphuric is not anything to play with, but otherwise it's pretty simple ... marble falls Yesterday #5

For those who would rather read... hunter Yesterday #6

Thanks. sl8 Yesterday #7

Makes Sense ProfessorGAC Yesterday #8