Helen Bradshaw

All Stories by Helen Bradshaw
- Tech
Where are the flying cars?
Flying cars are a common sci-fi trope, and engineers have the technology to make them. So where are they?
- Chemistry
Turning jeans blue with sunlight might help the environment
When dipped in indican and exposed to sunlight, yarn turns a deep blue. This process is more eco-friendly than the current denim dyeing method.