Thin-disk single-cavity dual-comb lasers (TDSCs) offer a promising alternative to traditional dual-comb systems, simplifying the setup and enabling power scaling. Their shared resonator components ...

Best for: fine or thinning hair | Brush/comb type: detangling For detangling, Ryan Trygstad, hair stylist and cofounder of Mark Ryan Salon in New York City, reaches for this brush. “With its ...