Get hypnotized by this wave pendulum… seriously, I can’t look away.
A wave pendulum like this is built of equally weighted objects suspended by different (and carefully calculated) lengths of string. Released simultaneously, their differing periods (frequencies of oscillation) cause them to form a “wave” image together that cycles through all possible patterns...
- The original migrants to Europe from Africa arrived 40,000 years ago
- Up until 8,000 years ago, early hunter-gatherers largely had darker skin
- When Near East farmers arrived, they carried with them light skin genes
- Genomes of 83 people found 5 genes linked with diet and skin changes...