Spectrophotometry is a method that measures the amount of light that a sample or object absorbs or reflects as a functional of wavelength using an instrument known as a spectrophotometer. The study ...
4. Fighting for Humanity in the Age of the Machine. 25 November 2025 58 minutes Available for over a year Rutger Bregman's 2025 Reith Lectures, called "Moral Revolution", explore the moral decay and ...
As we celebrate our 125th year, we do so with a renewed sense of purpose. Guided by our strategic vision and driven by our shared values, we are confident that we will rise to meet this moment and ...
Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...