(First off no, we don’t send Spirit Airlines “deals.”) Background: In 2015, Reddit helped Scott’s Cheap Flights grow from a free-time hobby to a full-time job. Since then: * This little star...
I kept noticing that I’d buy something on Amazon and then find it cheaper on eBay like a few days later. Not by a little, but significantly less for the exact same item. So I built a small tool cal...
What I learned from this small piece is that cheap paper will discourage beginners like me. I learned that there's cotton paper and cold pressed stuff. What other advice do you have for someone new t...
Background: A smartphone is a promising tool for daily cardiovascular measurement and mental stress monitoring. A smartphone camera-based PhotoPlethysmoGraphy (PPG) and a low-cost thermal camera can be used to create cheap, convenient and mobile moni...