The science pros at TKOR show how invisible ink can be made and revealed.

As senior printer editor, I've conducted over two hundred reviews on the best printers - and the ink tank models continue to impress me. Topping up these printers using ink bottles over cartridges and ...

Not only is it mesmerizing to watch the videos and try to figure out what they’re making, but the various ovens, grills, hot-tops, and purpose-built tools are fascinating. One leit motif throughout ...

What looks like magic is often just a rule of physics or chemistry doing its job. Invisible ink turning brown, colours swirling on milk, water climbing uphill — it all feels like sorcery until you ...

When home computers first showed up, we did not trust them.They were loud, beige, expensive, and they absolutely felt like ...

Most electromagnetic actuators are rotating motors, or some variation on the theme, like servos. However, it’s possible to do linear actuation with electomagnetics, too. [Adrian Perez] demonstrates ...

During strong space weather events, Earths magnetic shield can be heavily disturbed. Scientists from the Indian Space Research Organisation (ISRO) have published a study on a powerful solar storm that ...

Kimchi, a 3,000-year-old Korean fermented food, boosts gut health with probiotics and enzymes. Homemade kimchi offers potent benefits, improves digestion, immunity, and nutrient absorption, and is ...

Although jet engines are theoretically quite simple devices, in reality they tread a fine line between working as intended ...

While co-workers in a corporate office might share the same high-volume printer, smaller workspaces and even smaller budgets call for diverse, lower-cost desktop printers. How to pick one? Start by ...