Mixing Up Your Own Supersized Sidewalk Chalk

When folks started quarantining, chalk art spilled onto driveways and sidewalks to remind us that there’s still beauty and creative people doing what they always do. Now it’s time to strut your stuff and show your neighbors that things are greener on your slab of concrete. [friedpotatoes] has shared their …read more

Continue reading Mixing Up Your Own Supersized Sidewalk Chalk

Super white paint leans on Teflon to reflect up to 98% of the Sun’s heat

Just like a tennis player might don a white shirt instead of a black one on warm summer’s day, researchers see great potential in dressing buildings in reflective white paints to keep them cool. A team of material scientists is reporting a major advanc… Continue reading Super white paint leans on Teflon to reflect up to 98% of the Sun’s heat

Color Your World with this CNC Painting Robot

Let’s say you’ve watched a few episodes of “The Joy of Painting” and you want your inner [Bob Ross] to break free. You get the requisite supplies for oil painting – don’t forget the alizarin crimson! – and start to apply paint to canvas, only to find your happy little …read more

Continue reading Color Your World with this CNC Painting Robot

How 20th century nuclear testing can help scientists detect art forgeries

Researchers from ETH Zurich have refined a process that can detect modern fakes of paintings by measuring excessive levels of the isotope carbon-14 released into the atmosphere through nuclear testing in the 20th century. The new method requi… Continue reading How 20th century nuclear testing can help scientists detect art forgeries