Discover and read the best of Twitter Threads about #sensors

Most recents (4)

This weekend, demonstrators attempted to tear down some of the city's 50 newly-installed "smart lamp posts" - which have #cameras & #sensors - in a #protest against perceived government #surveillance.

#HKprotests #FacialRecognition #AntiSurveillance
Smart lamp posts facing residential areas will not have video cameras installed to protect the privacy of citizens. <br />
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Photo: Felix WongLeft to right: Dantes Tang, senior systems manager, Innovation and Technology Bureau and Cheng Chung-shan, senior engineer, Highways Department with one of the new smart lamp posts. <br />
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Photo: Felix Wong
As state #surveillance becomes more advanced - Activists, designers & artists around the world are inventing creative ways to avoid detection. #HKprotests #HongKongProtesters #AntiSurveillance
Hoping to raise awareness about the hyper-militarization of #police and all this technology being using against protesters, #PedroOliveira and #XuediChen created a slick-looking #protest kit.

👉🏻 backslash.cc @BackslashCc #HKprotests #AntiSurveillance http://www.backslash.cc/http://www.backslash.cc/
Read 10 tweets
So excited that the paper that is the culmination of my #PhD came out in @ScienceTM today! As the COVER story! Can't wait to share this 6-yr labor of love with the world. Here are some of the main takeaways from the paper:

#BigDay #HealthTech #PortableMRI #HydrationSensor
MRI is a powerful diagnostic tool but it is too expensive ($1.5M) and time-consuming (10-60min) to use on a regular basis. We developed a portable NMR sensor that can harness the diagnostic power of quantitative MRI at a fraction of the time (<1min) and cost ($1k).
It is not necessary to generate images in order to take quantitative magnetic resonance (relaxometry) measurements. Removing the need to generates images makes the hardware simpler, smaller, and cheaper.

I wrote about this for the @MIT_alumni blog: alum.mit.edu/slice/grad-lif…
Read 16 tweets
@phenrikand 1/ I’ve been in the digital cash and eMoney space since 1999 for co-design bit.ly/NavyCash It was centralised command control money digital USD on an EMV card where the backend -> every transaction traced & tracked by float manager @jpmorgan debitcard ATMs via @Mastercard
@phenrikand @jpmorgan @Mastercard 2/ Every Navy base & every ship in a flotilla was like an island🌴 at sea (at any point in time it could have only local and no or limited comms back to treasury) Similar to today’s offchain and onchain networks eventually reconciliation would happen. DoubleSpends manual captured
@phenrikand @jpmorgan @Mastercard 3/ Proof of Work Blockchains tend to centralisation. The top5 PoW 💥 Blockchains generally work 💪and have a huge bounty on their embedded value across their networks PoS and others not so much
Read 15 tweets

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