Viviani’s theorem demonstrates spatial conservation, showing that the three... perpendicular lines behave like a zero-sum game: moving closer to one side requires corresponding movement away from the other two. Local changes maintain a global constant.show more

Viviani’s Theorem, named after the Italian mathematician Vincenzo Viviani,... states that for any point inside an equilateral triangle, the sum of the perpendicular distances from the point to the three sides is always equal to the altitude (height) of the triangle.show more

two losers with zero spatial awareness the second they... start looking at each othershow more

It’s insane how hair changes your entire appearance. One... side looks like an evil weed wizard and the other looks like a great guitaristshow more

Two months away til i start moving like this... when that Wolverine game dropshow more

The Rays are three outs away from a Game... 2 victory!show more

Meanwhile in Kenya, a local mechanic has built a... unique three-wheeled locomotive that requires the driver to lie down while operating it instead of sitting.show more

Let the collision of two hearts be the only... one that changes your life forever. Constant safety research lets us work towards our goal of zero accidents – and people going home to their loved ones at the end of the day. #volvotrucks #movetheworld #volvotrucksmomentshow more

A runaway cab struck two women on Manhattan’s Lower... East Side, hurling one down a bodega basement and knocking the other onto the pavement. FDNY says three people were taken to the hospital and are expected to be okay.show more

Save water like a pro this summer with the... perfect game plan to maintain a healthy landscape! We recommend watering plants & trees only 4 days a week through August. Just keep that “drip it, don’t drown it” mentality. Water conservation is serious.show more

One step closer! 🇺🇸 Patrick Kane is only two... points away from setting the NHL record for most points by a U.S.-born player!show more

A look at the gluteal muscles during a kickback... movement, now from the side view. We’d love to hear from you: what muscle or movement would you like to see next? #anatomystandard #gluteal #glutes #hipanatomy #lowerlimbanatomyshow more

Map Giveaway 🗺️ I'm giving away a Space Riders... Map to one lucky person! The Journey requires three items, and this Map is the second one. To enter: → Follow Space Riders + zubic → Like + RT → Tag 2 friends Winner picked in 48 hours ⏰show more

This guy built something that changes your face in... real time using hand gestures. And it looks insane. 🤯 Viet Nguyen, a Senior AI engineer, built a personal project that transforms your face into 16 different visual styles. Van Gogh. Neon. Anime. Pop art. Graffiti. All triggered by just moving your hand. Open your hand. AI reads the gesture. Your face transforms into a completely different art style. Almost instantly. 16 styles. One hand movement. Zero clicks. The wild part: he built this as a side project. Not a product. Not a startup. Just one engineer combining two existing tools in a way nobody had thought to before. This is what personal projects look like in 2026.show more

One of THE MOST impactful changes we can make... to urban roads in India is to maintain consistent road widths from one intersection to the next. Our current, variable road widths disrupt the orderly flow of traffic. For example, if there's just a bit of extra space on the side, auto-rickshaws attempt to squeeze in, causing chaos. If a road suddenly narrows from three lanes to two and a half, congestion follows. In cities like London, when extra right-of-way is found, the footpaths are widened up to the road. But in Mumbai, we tend to expand the road instead. The issue with this approach is that the number of private vehicles in a densely populated city like Mumbai can grow without limits. Expanding roads only encourages more vehicles. On the other hand, widening footpaths doesn't cause the same problem because the space required for pedestrians is limited—walking is highly space-efficient. #WalkingProjectshow more

Taiwan is getting closer to opening the door to... Starlink 🇹🇼 Lawmakers are advancing legal changes that could allow satellite operators to receive case-by-case exemptions from Taiwan’s local-chairperson and foreign-ownership restrictions The proposal has already passed a legislative committee with support from all three major parties This is not final approval for Starlink yet, but it removes one of the biggest legal barriers standing in the way A major step toward bringing Starlink to Taiwanshow more

Two ropes. Two knots. One principle. Each side wraps... twice and tucks back through itself — forming a barrel knot around the opposing rope. When you pull the ends, both barrels slide toward each other and jam. The harder the tension, the tighter the lock. There is no mechanism that can make it slip. The Double Fisherman's Knot has existed for centuries because physics hasn't changed. Elegant engineering. Zero moving parts.show more