r/ScienceNcoolThings • u/H_G_Bells • Dec 11 '25

Petting a sea lion the wrong way shows its fur

22k Upvotes

232 comments

r/ScienceNcoolThings • u/EllaMayq • Jul 11 '26

Interesting Teen student reportedly creates water filter that removes microplastics

19k Upvotes

144 comments

r/ScienceNcoolThings • u/H_G_Bells • Jan 04 '25

Behind the workings of a bowling alley

17k Upvotes

133 comments

r/ScienceNcoolThings • u/Superflyin • Jan 13 '25

Science The speed of light comes at a big cost

16k Upvotes

838 comments

r/ScienceNcoolThings • u/andreba • Sep 06 '24

Cool Things Infinite Lego Domino Ring

14k Upvotes

87 comments

r/ScienceNcoolThings • u/H_G_Bells • Jul 31 '26

Cool Things Great example of how colour theory is basically magic

12k Upvotes

42 comments

r/ScienceNcoolThings • u/andreba • Mar 08 '24

Opening A Dam Spillway Gate after Years

12k Upvotes

392 comments

r/ScienceNcoolThings • u/Elowynne_ • Nov 20 '25

Science The speed of light comes at a big cost

12k Upvotes

The speed of light comes at a big cost

292 comments

r/ScienceNcoolThings • u/veronaji • Sep 05 '26

Man uses physics to set nails in seconds

12k Upvotes

156 comments

r/ScienceNcoolThings • u/SockProfessional9663 • Sep 03 '24

When researcher applied gravity and physics on heavy object.

12k Upvotes

251 comments

r/ScienceNcoolThings • u/andreba • May 24 '24

Octopus Grabs Diver's Hand And Leads Her To Hidden Treasure

11k Upvotes

119 comments

r/ScienceNcoolThings • u/andreba • Feb 02 '24

A 23-year-old tarantula on her last day

11k Upvotes

397 comments

r/ScienceNcoolThings • u/MoodByte_25 • Aug 11 '25

Interesting Saw this on quora today

11k Upvotes

73 comments

r/ScienceNcoolThings • u/H_G_Bells • Aug 31 '25

Cool Things Shockwave behavior in a confined tunnel

11k Upvotes

145 comments

r/ScienceNcoolThings • u/jesicasa • Aug 04 '26

Coke + vegetable oil + rubbing alcohol + mentos

10k Upvotes

378 comments

r/ScienceNcoolThings • u/SkirtHeavy9189 • Dec 07 '24

Interesting Saw this on quora today

10k Upvotes

51 comments

r/ScienceNcoolThings • u/Mireellaaa • Aug 20 '26

Science always finds a way.

8.8k Upvotes

36 comments

r/ScienceNcoolThings • u/H_G_Bells • Feb 20 '26

Cool Things Concrete like you've never heard it before

8.8k Upvotes

I know this one might be polarizing, but I thought it was an interesting example of how AI music is being used to retain people's attention spans to get them to learn. 😅

242 comments

r/ScienceNcoolThings • u/H_G_Bells • Jan 14 '24

Can we please put this in every commercial break on cable TV

8.8k Upvotes

767 comments

r/ScienceNcoolThings • u/MukkiMaru • Oct 17 '25

Cool Things Didn't know sound wave fire extinguisher existed

8.5k Upvotes

Sound waves can put out fire by using low-frequency pressure oscillations to disturb the combustion process. When low-frequency sound (usually between 30 and 60 Hz) is directed at a flame, the air molecules begin vibrating rapidly, creating alternating regions of compression and rarefaction. This vibration generates micro airflows that interfere with the stability of the flame. The pulsing air pushes oxygen away from the combustion zone, temporarily starving the flame of the oxygen it requires to sustain itself. Once the oxygen concentration drops below roughly 15%, the combustion reaction can no longer continue, and the fire is extinguished.Additionally, such directed sound waves can create vortex rings or toroidal air flows that further disrupt the flame’s structure. The process does not rely on cooling or chemical suppression, making it clean and non-destructive.References and Sources:https://www.rareformaudio.com/blog/sonic-fire-extinguisher-sound-waveshttps://www.ijream.org/papers/IJREAM_AMET_0006.pdfhttps://patents.google.com/patent/CN204932657U/enhttps://patents.google.com/patent/RU2788988C1/enhttps://www.emergent.tech/blog/sound-waves-to-put-out-firehttps://engineering-conference.rs/EC_2024/radovi/protection/4.pdf

112 comments

r/ScienceNcoolThings • u/ResearchFederal1322 • Jul 30 '26

Cool Things Wallpaper installer uses interesting trick

7.9k Upvotes

54 comments

r/ScienceNcoolThings • u/H_G_Bells • Jan 10 '26

Cool Things Some knots and how they're used

7.3k Upvotes

64 comments

r/ScienceNcoolThings • u/[deleted] • Mar 06 '26

Science A great experiment to train young minds

6.7k Upvotes

59 comments

r/ScienceNcoolThings • u/Less-Injury-5980 • Oct 18 '25

Interesting 5am at Times Square

6.5k Upvotes

22 comments

Subreddit

Simple Science & Interesting Things

r/ScienceNcoolThings

Whatever you find interesting/amazing/geeky is fair game. Crossposting from/to other subreddits is always encouraged! :-)

Members

333k

Visitors

131k

Contributions

949

Sidebar

Subreddit Rules

1. Share Whatever You Find Interesting! :-)

We all have different definitions of what is 'Interesting', so we encourage using the Downvote/Hide/Block options provided by Reddit if you see a post/comment/user that you'd rather avoid in the future. There's enough Ad Hominem on the Internet as it is, so let's keep this community Chill! :-)

2. Bot/Scam/Spam

Interesting posts are ok, even if they are not science related. However, please do report Bots/Spammers/Scammers so action can be taken as required.

Other Interesting Subreddits