Doomsday Clock now closer than ever to ‘midnight’: What does this mean?
The Doomsday Clock, a concept designed by the Bulletin of the Atomic Scientists to represent humanity’s proximity to a global ...
Hosted on MSN15h
Doomsday Clock: Scientists give update on humanity’s proximity to catastrophe
The Doomsday Clock, a concept designed by the Bulletin of the Atomic Scientists to represent humanity’s proximity to a global ...
Hackaday11y
LCD-based QR Clock
Here’s a new take on the QR clock concept that uses an LCD display. The concept comes from the work [ch00f] put into his two versions of a QR clock (both of which used LED arrays). The time of ...
Optics7d
Optical atomic clock achieves record accuracy redefining the second
In an optical atomic clock, atoms are irradiated with laser light. If the laser has exactly the right frequency, the atoms change their quantum mechanical state. All external influences on the atoms ...