Author: Tech Support

Surfing the Web with 7400 Logic

We see more computers built from logic gates than you might expect. However, most of them are really more demonstration computers and can’t do much of what you’d consider essential today. No so with [Alastair Hewitt’s] Novasaur. Although built using 34 TLL chips (and a few memory and analog chips, too, along with one PAL),

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Amsterdam-based Catawiki, an online auction site that specializes in selling high-value collectors' items like classic cars, raises €150M from PE firm Permira (Kaye Wiggins/Financial Times)

Kaye Wiggins / Financial Times: Amsterdam-based Catawiki, an online auction site that specializes in selling high-value collectors’ items like classic cars, raises €150M from PE firm Permira  —  Private equity firm invests €150m in online marketplace for classic cars and artworks Amsterdam-based Catawiki, an online auction site that specializes in selling high-value collectors' items like

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Innoviz, a lidar company backed by auto suppliers Magna and Aptiv, is going public via a SPAC merger expected to close in Q1 2021 at a valuation of $1.4B (Bloomberg)

Bloomberg: Innoviz, a lidar company backed by auto suppliers Magna and Aptiv, is going public via a SPAC merger expected to close in Q1 2021 at a valuation of $1.4B  —  – Startup supplies laser sensors for BMW’s iX model due in 2021  — Innoviz is fourth lidar company in 2020 to go public via

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Bionic, which helps businesses manage applications via automated app analytics, has come out of stealth with $17M in Series A and seed funding (Kyle Wiggers/VentureBeat)

Kyle Wiggers / VentureBeat: Bionic, which helps businesses manage applications via automated app analytics, has come out of stealth with $17M in Series A and seed funding  —  App analytics startup Bionic today emerged from stealth with $17 million, a combination of series A and seed funding. Bionic, which helps businesses manage applications via automated

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Graphiant, a stealth startup working on next generation computer networking tech, raises $33.5M Series A co-led by Sequoia Capital and Two Bear Capital (FinSMEs)

FinSMEs: Graphiant, a stealth startup working on next generation computer networking tech, raises $33.5M Series A co-led by Sequoia Capital and Two Bear Capital  —  Graphiant Inc., a Palo Alto, CA-based computer networking company, raised $33.5m in Series A funding. Graphiant, a stealth startup working on next generation computer networking tech, raises .5M Series A

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Norman Abramson, the wireless network pioneer known for leading the development of Hawaii's ALOHAnet, died last week at 88 (Steve Lohr/New York Times)

Steve Lohr / New York Times: Norman Abramson, the wireless network pioneer known for leading the development of Hawaii’s ALOHAnet, died last week at 88  —  His ALOHAnet, designed a half-century ago in Hawaii, was a precursor to the technology used in today’s smartphones and home WiFi networks. Norman Abramson, the wireless network pioneer known

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Senator Klobuchar, alarmed by the "intrusive" nature of Amazon's Halo health tracker, writes letter to HHS asking it to safeguard users' private health data (Geoffrey Fowler/Washington Post)

Geoffrey Fowler / Washington Post: Senator Klobuchar, alarmed by the “intrusive” nature of Amazon’s Halo health tracker, writes letter to HHS asking it to safeguard users’ private health data  —  The $65 wearable contains an always-on microphone and asks users to strip down for 3-D body scans Senator Klobuchar, alarmed by the "intrusive" nature of

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Microstepping A PCB Motor

Over the last 2 years [Carl Bujega] has made a name for himself with his PCB motor designs. His latest adventure is to turn it into a stepper motor by adding position control with microstepping. The NEMA stepper motors most of us know are synchronous stepper motors, while [Carl]’s design is a permanent magnet design.

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Some restaurants listed as Black-owned on Uber Eats appear to not be owned by Black people, as Uber lets restaurants self-identify through a form (Edward Ongweso Jr/VICE)

Edward Ongweso Jr / VICE: Some restaurants listed as Black-owned on Uber Eats appear to not be owned by Black people, as Uber lets restaurants self-identify through a form  —  Several restaurants listed as being Black-owned on Uber Eats appear to not be owned by Black people.  —  Uber and other delivery apps … Some

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