<a href="https://zephyrnet.com/wp-content/uploads/2024/07/new-titaniumsapphire-laser-is-tiny-low-cost-and-tuneable-physics-world-2.jpg" data-fancybox data-src="https://zephyrnet.com/wp-content/uploads/2024/07/new-titaniumsapphire-laser-is-tiny-low-cost-and-tuneable-physics-world-2.jpg" data-caption="Tiny lasers An array of titanium:sapphire lasers are found on the slender chip that is leaning against a much larger...