Wikipedia's first sentence called it “professor of nanoengineering at ucsd”. Today it says “american biomedical engineer and inventor”. Sections present on October 6, 2023 no longer exist: “Awards”.
Measured, not asserted. Every count, date and revision on this page was taken from Wikipedia's own history and checked against the live article. The words quoted are theirs.
Machine-checked against the full current article on 2026-08-03.
We saved snapshots of this article over twenty years; you are reading the 2020 one. Red dashes: removed from Wikipedia since.Pale dots: rewritten; the numbered note shows what it says now.Red text: written in or rewritten since the previous snapshot.1 tap a number or a side note to jump between them
The opening as it read in 2020
Joseph Wang is an American researcher and inventor. He is Distinguished Professor, SAIC Endowed Chair, and former Chair of the Department of Nanoengineering at the University of California, San Diego specializing in nanomachines , biosensors , nanobioelectronics, wearable devices, and electrochemistry .1He also serves as the Director of the Center for Wearable Sensors at the University of California San Diego Jacobs School of Engineering. University of California, San Diego . 2014-11-25 .2
This is Wikipedia's own text, saved in our repository. Their copy of it is revision 961548020.
The opening as it stood in 2010
Joseph Wang is a Professor of Nanoengineering at UCSD , specializing in nanosensors , nanomachines and electrochemistry . In 2009, Wang's research group built the fastest nanomotors to date.
Red text was written in or rewritten since the previous snapshot. Their copy is revision 364149495.
The opening as it stood in 2015 2 passages from the previous snapshot no longer appear
Joseph Wang is Distinguished Professor, [1] , SAIC Endowed Chair, and Chair of the Department of Nanoengineering at the University of California, San Diego specializing in nanomachines , biosensors , and electrochemistry .
Red text was written in or rewritten since the previous snapshot. Their copy is revision 661056043.
The opening as it stood on October 6, 2023 1 passage from the previous snapshot no longer appear
American researcher and inventor (born 1948) ( Learn how and when to remove this message ) Joseph Wang is an American biomedical engineer and inventor.He is a Distinguished Professor , SAIC Endowed Chair , and former Chair of the Department of Nanoengineering at the University of California, San Diego , who specialised in nanomachines , biosensors , nano-bioelectronics, wearable devices , and electrochemistry .He is also the Director of the UCSD Center of Wearable Sensors and co-director of the UCSD Center of Mobile Health Systems and Applications (CMSA).
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1178471536.
The opening as it stood in 2025 1 passage from the previous snapshot no longer appear
American researcher and inventor (born 1948) ( Learn how and when to remove this message ) Joseph Wang (born 1948) is an American biomedical engineer and inventor. He is a professor , SAIC Endowed Chair , and a former Chair of the Department of Chemical and Nano-Technology Engineering at the University of California, San Diego .Wang currently serves as the director of the UCSD Center for Wearable Sensors and as the co-director of the UCSD Center for Mobile Health Systems and Applications (CMSA).
Red text was written in or rewritten since the previous snapshot. Their copy is revision 1296873244. This is our newest snapshot; the live article may have moved again since.
Today
Wikipedia's first sentence called it “professor of nanoengineering at ucsd”. Today it says “american biomedical engineer and inventor”. Sections present on October 6, 2023 no longer exist: “Awards”. Read the current article and compare.
2010
2015
2020
Oct '23
2025
Counts in the opening at each snapshot. Green: the word gained ground. Red: it was cut. Grey: no change.
What Wikipedia says this is
Every article opens by defining its subject. This one was redefined since 2010, and today's defining sentence is their current revision.
Then
professor of nanoengineering at ucsd
Now
american biomedical engineer and inventor
Sections that no longer exist
Present on October 6, 2023, absent today, with no near-matching heading in the current article and the article shorter overall, so this is not a renamed heading or a topic absorbed into a fuller treatment. 1 section of 400 characters or more gone since October 6 2023, with the article 2,083 characters shorter.
Awards
Struck red text is no longer in the article; dotted amber text was rewritten. Every revision id links to Wikipedia's copy; the text shown is our own saved copy. Data: /data. Wikipedia text is CC BY-SA; quoted for the record; not affiliated with Wikipedia.
