How does a television set work?

Pictures and sound, flying through the air to a box in your house? Back in the 1940s, it seemed like a miracle.

Jay Weitzen, Professor of Electrical and Computer Engineering, UMass Lowell • conversation
Dec. 5, 2022 • ~6 min

How Apple and Google let your phone warn you if you've been exposed to the coronavirus while protecting your privacy

Bluetooth wireless communication makes it possible to track when people have been exposed to people infected with the coronavirus. The right cryptography scheme keeps alerts about exposures private.

David Starobinski, Professor of Electrical and Computer Engineering, Boston University • conversation
Feb. 12, 2021 • ~11 min

How Apple and Google will let your phone warn you if you've been exposed to the coronavirus

Bluetooth wireless communication makes it possible for people to get alerts on their phones when they've been exposed to the coronavirus. Adding the right cryptography scheme keeps those alerts private.

David Starobinski, Professor of Electrical and Computer Engineering, Boston University • conversation
April 30, 2020 • ~9 min

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