When the sun is directly overhead in Hawaii, it looks like a bad video game render
The sun is exactly overhead twice a year in Lahaina, Hawaii, once in May and once in July. Poles don't cast shadows, giving the urban landscape an eerie appearance. Hawaii is the only state in the US where the sun's rays are perpendicular to the surface of Earth. It's called a subsolar point.
Image: Flickr/Daniel Ramirez
Caelus5 - Own work, CC BY-SA 4.0, Link
Here's Isamu Noguchi’s “Skygate” sculpture in Hawaii that makes a perfect ring during the Lahaina Noon:
This is Skygate
More photos here and here.
Here's a real-time map showing the current subsolar sublunar points.
From @LRO_NASA: “A huge payoff from the longevity of the LRO mission is the repeat coverage obtained by the LROC Wide Angle Camera (WAC). The WAC has a very wide field-of-view (FOV), 90° in monochrome mode and 60° in multispectral mode, hence its name. On the one hand, the wide FOV enables orbit-to-orbit stereo, which […]
The August 21 eclipse is being commemorated by the US Postal Service with a new stamp printed with thermochromic ink; when you rub the stamp the image transforms from an image of the 2006 total eclipse as shot from Jalu, Libya, to a photo of the full moon, both taken by Fred Espenak, aka Mr. […]
If you vomit, do be considerate and try not to let it land on the moon. [via Metafilter]
Although flagship smartphones are unlikely to adopt heavy-duty outer casing anytime soon, you can always prepare your device for the outdoors with a beefy case and and an external battery like this Nomad Tile Trackable PowerPack, available in the Boing Boing Store for $119.95.The Nomad Tile can fully recharge an iPhone 7 over three times […]
Even though credit cards now feature an EMV chip for securing transactions, they still have to include the magnetic strip for compatibility with older point of sale systems. Because of this, there’s no way for the chip’s new security capabilities to protect against card skimmers in the wild.How do you protect yourself from legacy-technology-induced fraud? […]
As the old saying goes, “You should sit in meditation for 30 minutes every day. Unless you are too busy, in which case you should meditate for an hour.” Since most of us have an endless list of things to do and people to see, carving out quiet time can feel impossible, especially when most […]