On Feb 25, 1896, Nikola Tesla patented Alternating Motor.
25.02.2026 06:32
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On Feb 25, 1896, Nikola Tesla patented Alternating Motor.
The Clearest Image of Venus's Surface, By a Lander that Melted After 2 Hours.
On March 1, 1982, the Soviet spacecraft Venera 13 landed on the fiery surface of Venus and sent back the clearest images we’ve ever received from that hellish world.
Life tip: Need to divide something fairly between 2 kids? Let one kid make the split and let the other kid choose the partition.
If engineers are wrong, things explode.
That’s why we double-check.
Space fact:
If you were driving at 75 miles per hour (121 kmh), it would take 258 days to drive around one of Saturn’s rings.
Life tip: Buy yourself a fire extinguisher. It's better to have something you don't need than to need something you don't have.
Imagine using AI supercomputers to understand what dogs and cats are saying — instead of putting everyone in a bikini.
A negative thinker has many problems to one solution.
A positive thinker has many solutions to one problem.
NASA's Voyager 1 space probe was launched 16 days after its twin, Voyager 2.
Scientists renamed 27 human genes in 2020 because Microsoft Excel kept auto-converting their names into dates, causing widespread errors in published genetic research.
Adapter for threaded rivets
When you look at the sun, you see how it appeared 8.5 minutes ago.
Marriage logic map
Life tip: Remove the batteries from electronics, toys, etc. before storing them away. The batteries may corrode the terminals rendering the item useless in the future.
When jumpstarting a car, you should connect the negative clamp to an unpainted part of the engine block rather than the negative battery post on the dead car.
Otherwise if a spark occured it could ignite the hydrogen gas emitted by the lead acid battery.
Thread rivet nut
Supercooled water 🧊
How old were you when you found out that nuclear reactors are just fancy steam engines?
i don't need it but i want it
Button cell battery names are actually codes include the chemistry, shape, diameter and thickness.
CR2032 is C lithium, R round, 20mm diamter, 3.2mm thick
40 years before Google Maps, you called people who looked at maps
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Nut zipper drill attachment
Life tip: if you’re trying to focus on studying listen to videogame music. It’s designed to be background noise while you focus your attention on other tasks.
And what is your superpower? 😃
Useful tip
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That finish is unreal
Daniel Fahrenheit (who invented the mercury thermometer) set 0°F to the coldest stable temperature he could maintain in his lab by dissolving salt in water.
