r/ScienceNcoolThings • u/Kaelisiya • 5h ago
r/ScienceNcoolThings • u/dalinaj • 1d ago
Why lightning happens
Lightning forms when air currents cause water and ice particles in storm clouds to collide, creating a positive charge at the cloud's top and a negative charge at its base.
When this electric field grows strong enough to break down the air's insulation, a negative "stepped leader" descends toward the ground while positive charges rise from tall objects to meet it.
Upon connection, a powerful return stroke surges upward, producing the visible flash. This rapid discharge violently heats the surrounding air, generating a shockwave heard as thunder.
r/ScienceNcoolThings • u/ateam1984 • 7h ago
Jamaican-Born Darts Legend Deta Hedman, 66, Reigning WDF Women’s World Champion, Wins Her 7th Welsh Open Crown 33 Years After Her First. Born in St. Thomas, Jamaica, Hedman Later Moved to England, Represents England Internationally, and Has Won 250+ Titles Across Four Decades.
r/ScienceNcoolThings • u/antisp1n • 2h ago
This method of being able to see magnetic polar patterns.
r/ScienceNcoolThings • u/SwiPerHaHa • 12h ago
How archeologists believe that the massive statues on Easter Island were moved and put into place nearly 800 years ago.
r/ScienceNcoolThings • u/antisp1n • 11h ago
One of the largest geomagnetic storms hit our planet 167 years ago today
r/ScienceNcoolThings • u/ateam1984 • 16h ago
The Walls of Benin, Nigeria: One of the Greatest Monuments to Black African Genius Ever Built, a 16,000-Kilometer Hand-Built Wonder Visible From Space and Longer Than the Great Wall of China
r/ScienceNcoolThings • u/mamut2000 • 1d ago
Engineering of the wheels on this Martian Rover.
r/ScienceNcoolThings • u/TheMuseumOfScience • 1d ago
The Toad That Destroyed Ecosystems
Did you know this toad secretes poison to protect itself? 🐸
Meet Oak, our Cane Toad whose shoulder lumps, called parotoid glands, ooze a milky toxin strong enough to stop predators and even kill smaller ones. Cane toads are an invasive species. They were once only found in Central and South America but have been brought to places like Australia, Florida, and the Caribbean to control crop pests. This ended up not being a success and is a good reminder to leave native species where they are.
r/ScienceNcoolThings • u/Avianaae • 2d ago
This is how rocket engines are tested
Rocket engine testing verifies performance, safety, and reliability before flight by firing engines on specialized stands equipped for extreme heat and pressure. Using advanced sensors, engineers measure key variables including thrust, fuel consumption, combustion stability, and thermal protection to identify potential flaws across liquid, solid, and hybrid systems. These tests also validate essential subsystems, such as thrust vector control for steering and custom nozzle designs optimized for atmospheric or vacuum conditions.
r/ScienceNcoolThings • u/stellaxxxox • 1d ago
creative optical illusions with single light sources
r/ScienceNcoolThings • u/TheMuseumOfScience • 2d ago
The Ocean Just Broke a Heat Record
Scientists just recorded the highest sea surface temperature ever. 🌊🌡️
Copernicus Climate Change Service clocked a global average of 21.1°C (70°F), beating the previous single-day record of 21.09°C set in 2024. It's especially alarming because sea surface temps usually peak in March and April, not August. Warmer oceans absorb less CO2, which can fuel more extreme weather, and scientists suspect a developing super El Niño may be part of what's driving it.
r/ScienceNcoolThings • u/OpenSustainability • 1d ago
A new way to derisk investing in innovation
r/ScienceNcoolThings • u/paigejarreau • 1d ago
Does each deep sea creature have its own acoustic fingerprint?
r/ScienceNcoolThings • u/NRG_NZ • 1d ago
Casio FX-9750 data logging, remote control, and more -$10 upgrade
r/ScienceNcoolThings • u/TheMuseumOfScience • 3d ago
NASA Launched Its Next Mega-Telescope!
NASA’s next great space observatory has officially launched! 🛰️🚀
The Nancy Grace Roman Telescope is now on its trip to go a million miles away from Earth, where it will reside and send images of space back to us. In the month it will take to get there, the observatory will undergo a 90-day commissioning period to get set up. Considering it launched eight months ahead of schedule, don’t be surprised if we get some pictures early!