Photon Updated 2025-07-16
Initially light was though of as a wave because it experienced interference as shown by experiments such as:
But then, some key experiments also start suggesting that light is made up of discrete packets:and in the understanding of the 2020 Standard Model the photon is one of the elementary particles.
- Compton scattering, also suggests that photons carry momentum
- photoelectric effect
- single photon production and detection experiments
This duality is fully described mathematically by quantum electrodynamics, where the photon is modelled as a quantized excitation of the photon field.
1914 Nobel Prize in Physics Updated 2025-07-16
Not only did this open the way for X-ray crystallography, it more fundamentally clarified the nature of X-rays as being electromagnetic radiation, and helped further establish the atomic theory.
Crank (person) Updated 2025-07-16
Yet, all breakthroughs, comes from them, because the people who are crazy enough to believe they can change the world are the ones who actually do ;-)
Crate image with given text in ImageMagick Updated 2025-07-16
CRC-32 Updated 2025-07-16
Crystal radio Updated 2025-07-16
They were superseded by transistor radios, which were much more reliable, portable and could amplify the signal received.
CIA 2010 covert communication websites secure subdomain search on 2013 DNS Census Updated 2025-07-16
Grepping the 2013 DNS Census first by overused CGI comms subdomains
secure.
and ssl.
leaves 200k lines. Grepping for the overused "news" led to hits:- secure.worldnewsandent.com,2012-02-13T21:28:15,208.254.40.117
- ssl.beyondnetworknews.com,2012-02-13T20:10:13,66.104.175.40
Also tried but failed:
sports
:- secure.motorsportdealers.com,2012-04-10T20:19:09,64.73.117.38 web.archive.org/web/20110501000000*/motorsportdealers.com
OK, after the initial successes in New results: only one...
secure.
, we went a bit more data intensive:- took all
secure.*
ssl.*
URLs in the 2013 DNS Census, 70k entries - cleaned up a bit, e.g. only
.com
or.net
. this left only, 30k entries only - lopped over all of them in archive CDX: Wayback Machine CDX scanning, searching for those that also end in
.cgi
web.archive.org/cdx/search/cdx?url=$domain&matchType=domain&filter=urlkey:.*.cgi&to=20140101000000. Took an afternoon, but no rate limit block. - this leaves about 1000, so we loop over all of them manually on web archive with a script, and opened any that had the pattern of very vew hits between 2010 and 2013 only, and on those check for visual/thematic style match. Careful not to make more than 15 requests per minute or else 5 min blacklist!
- 208.254.42.205 secure.driversinternationalgolf.com,2012-02-13T10:42:20,
After 2013 DNS Census virtual host cleanup heuristic keyword searches we later understood why there were so few hits here: the 2013 DNS Census didn't capture the
secure.
subdomains of many domains it had for some reason. Shame, because if it had, this method would have yielded many more results. Client-side storage Updated 2025-07-16
Codomain Updated 2025-07-16
Coherence time Updated 2025-07-16
It takes time for the quantum state to evolve. So in order to have a deep quantum circuit, we need longer coherence times.
1902 Nobel Prize in Physics Updated 2025-07-16
Pieter Zeeman for the Zeeman effect.
1908 Nobel Prize in Chemistry Updated 2025-07-16
1918 Nobel Prize in Physics Updated 2025-07-16
1926 Nobel Prize in Physics Updated 2025-07-16
1927 Nobel Prize in Physics Updated 2025-07-16
1936 Nobel Prize in Physics Updated 2025-07-16
Discovery of:
- the positron by Carl David Anderson
- he cosmic rays by Victor Francis Hess
1952 Nobel Prize in Chemistry Updated 2025-07-16
1960 Nobel Prize in Physics Updated 2025-07-16
1965 Nobel Prize in Physics Updated 2025-07-16
1978 Nobel Prize in Physics Updated 2025-07-16
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