
A look inside GaN chargers: the 2DEG channel, why higher switching frequency means smaller parts, and what to buy.

A deep dive into the semiconductor physics behind GaN chargers: how a 25 nm 2DEG channel replaces silicon drift regions, why switching at 1-3 MHz shrinks transformers, and an interactive demo of the frequency-size tradeoff.

The physics behind active noise cancellation, explained with three diagrams and one live demo.


This week's top tech stories include the Pentagon mass-producing autonomous fighter jets, an AI benchmark revealing severe shortcomings, a PlayStation lawsuit over digital game ownership, and major new audio and display hardware.

22K Gold Plated Toilet Paper
Three-ply toilet paper made with actual 22K gold, produced by the Australian company 'Toilet Paper Man'. Each roll takes 4 years to craft. Only one roll has ever been produced - and it still hasn't sold. Comes with a complimentary bottle of champagne, because of course it does.

Andy Ramus Super Dog Mansion
The world's most expensive dog house, designed by architect Andy Ramus and built by Hecate Verona. Features HVAC, automatic food dispensers, TV, sound system, and webcam monitoring. Each mansion is custom-built with hardwood floors, marble columns, and takes 2-4 months to complete.

24K Gold Playing Cards
A full deck of playing cards plated with 24K gold foil on waterproof PVC. Each card shimmers with actual gold, making your poker night approximately 10,000x more expensive than it needs to be. Available through multiple luxury retailers.

Onkyo H900M Diamond Headphones
Onkyo's CES 2017 showcase piece: the H900M over-ear headphones with 20 carats of diamonds per earcup, handcrafted ostrich leather, and GIA-certified gems. Prices range from $80,000 to $100,000 depending on diamond quality. Hi-res audio capable, but let's be honest - you're buying these for the diamonds.

Caviar AirPods Max Gold Black
18K gold earcups made from 750 grams of pure gold, paired with premium black crocodile leather - these are the most absurdly expensive headphones ever created.

Tailormade Pillow Gold Edition by Thijs Van der Hilst
A $57,000 pillow with 24K gold fabric, 3D-printed to match your exact head and neck contours, and a massive sapphire embedded in the zipper.