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Best Teeth Whitening Kits You Should Check Out In 2025

Teeth whitening kits aren't exactly what most people would call riveting. I must say I was blown away by the entire Smile Brilliant process and package. I wasn't aware you could get custom-fitted whitening trays anywhere other than a dentist's office, but you can with Smile Brilliant. Wearing these whitening trays is just like wearing a retainer. They fit perfectly to your teeth because they're designed using putty impressions you make of your teeth. The process works like this: You order a kit

New Theory Could Dramatically Expand the Search for Aliens

The search for alien life is largely centered on finding planets in the “Goldilocks Zone”—the distance from a star where a planet could have liquid water on its surface and enough light to sustain life. But a new study offers a tantalizing possibility that other worlds, far from their host stars, may also be able to support living things, a finding that could dramatically broaden the search for extraterrestrial life. In a paper published last week in the International Journal of Astrobiology, r

Lightning on Earth is sparked by a powerful chain reaction from outer space

The energy needed for thunderstorms could come from an avalanche of electrons seeded by extraterrestrial cosmic rays , a new study claims. Scientists already knew that lightning is an electrical discharge between thunderclouds and Earth's surface, but exactly how storm clouds obtain an electric field powerful enough to hurl a bolt has remained a mystery for centuries. Now, a new study has used computer models to reveal that lightning strikes as the result of a powerful chain reaction that begi

Words about Arrays and Tables

July 30, 2025 2000 words about arrays and tables THEY'RE JUST FUNCTIONS I'm way too discombobulated from getting next month's release of Logic for Programmers ready, so I'm pulling a idea from the slush pile. Basically I wanted to come up with a mental model of arrays as a concept that explained APL-style multidimensional arrays and tables but also why there weren't multitables. So, arrays. In all languages they are basically the same: they map a sequence of numbers (I'll use 1..N ) to homog

Scanned piano rolls database

n/a Kisses 2007-Feb-8 Michael Swanson n/a n/a Cubist 2007-Feb-8 Michael Swanson n/a n/a The Organ Grinder's Swing 2007-Feb-11 Larry Doe Grayscale-1 n/a Fox Trot Medley No. 4 2008-Aug-19 Keystone Grayscale-1 n/a Popular Dance Medley No. 7 2009-May-28 Keystone Grayscale-1 n/a Clair de lune - rhythm version 2009-Oct-18 Julian Dyer n/a n/a Rhapsodie No. 1 2009-Dec-27 Keystone Grayscale-1 n/a Rhapsodie No. 4 2009-Dec-27 Keystone Grayscale-1 n/a Fox Trot Medley, No. 1 2009-Dec-27 Keystone Gray

Do We Need to Wear Sunscreen Indoors? This Is What a Skin Expert Says

You know the drill -- whenever you're outside, especially during the summer, you should wear sunscreen to protect your skin from the sun's UV rays. But what about wearing sunscreen indoors? Can sunlight coming in through windows still negatively affect your skin, making SPF necessary even when you're inside your home? We reached out to a dermatologist for the answer. Do I need to wear sunscreen indoors? Yes, wearing sunscreen indoors is necessary. Even though you're sitting comfortably in your