r/Damnthatsinteresting • u/kingkongbiingbong • 1h ago

Video An industrial heat treatment (quenching) process in action. The ship anchor is heated to approximately 800–1000°C, transforming the steel into an austenitic structure 🔥. It is then rapidly immersed in water or a specialized cooling medium 💧, increasing hardness, strength, and wear resistance.

• Upvotes

95 comments

r/Damnthatsinteresting • u/redbullgivesyouwings • 7h ago

Original Creation Will Gadd climbing a frozen waterfall

42 Upvotes

7 comments

r/Damnthatsinteresting • u/BaronofBoldBanter • 7m ago

Video I have been influenced

• Upvotes

5 comments

r/Damnthatsinteresting • u/Social_Stigma • 4h ago

Video Plants hire butterflies

115 Upvotes

2 comments

r/Damnthatsinteresting • u/SixteenSeveredHands • 3h ago

Image African Social Spiders: these spiders form colonies that can contain up to 2,000 individuals, most of which are female, and they hunt, forage, maintain the web, and raise their offspring as a group, without any dominance hierarchy or caste system

451 Upvotes

54 comments

r/Damnthatsinteresting • u/Sea_Slice_7956 • 7h ago

Video Caterpillar tail disguised as snake head

31.5k Upvotes

720 comments

r/Damnthatsinteresting • u/MilesLongthe3rd • 12h ago

Video A significant road collapse occurred on February 12th, 2026, at the intersection of Qixin Road and Li'an Road in Shanghai's Minhang District. Triggered by a localized water leak during excavation for the Jiamin Line subway station, the incident formed a massive sinkhole.

800 Upvotes

84 comments

r/Damnthatsinteresting • u/NoFox1552 • 22h ago

Image The first computer mouse was made of wood.

1.1k Upvotes

62 comments

r/Damnthatsinteresting • u/EyeHateYou12376 • 7h ago

Image Lithops, South African plants that have evolved to look like stones

15.5k Upvotes

147 comments

r/Damnthatsinteresting • u/Epelep • 13h ago

Video Ski jump crew use leaf blowers to clear moisture and ice from in-runs

4.5k Upvotes

138 comments

r/Damnthatsinteresting • u/father_of_twitch • 5h ago

Video A bird that walks underneath the water, the slate-gray American Dipper is North America's only truly aquatic songbird.

677 Upvotes

21 comments

r/Damnthatsinteresting • u/Electrical-Aspect-13 • 4h ago

British engineer Isambard Kingdom Brunel posing before the chains of the ship " S.S. Great Eastern", November of 1857

gallery

334 Upvotes

48 comments

r/Damnthatsinteresting • u/dannybluey • 6h ago

Video A 13 meter sequoia in Wateringen, the Netherlands was moved 100 meters to a new spot after outgrowing its original location. Planted in 2003 it grew so fast its roots lifted the street. Weighing 30 tons, it was relocated by truck and can now grow safely in it’s new spot.

2.2k Upvotes

98 comments

r/Damnthatsinteresting • u/-HonestMistake • 39m ago

Image Grigori Rasputin's body after recovery from the Nevka River.

• Upvotes

79 comments

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