Tapa’s Substack

September 2025

LNG Liquefaction Fused with Superconducting Datacenters

Key Idea:

Sep 27 • 

Tapa

1

Mott Insulator Rectification for Optical Rectennas and TPVs

A weird path to more efficient solar power and heat engines?

Sep 19 • 

Tapa

2

eVTOLs with Non-Rechargeable Backup Batteries

Key Idea:

Sep 18 • 

Tapa

2

November 2024

Laminar Flow Cruise Missiles

Can we greatly increase the range of cruise missiles by adopting an abandoned aerodynamics technique?

Nov 2, 2024 • 

Tapa

3

October 2024

Containerized Missile Systems Without Cranes

Can we ship missiles in shipping crates? And make them cheap and fast to load??

Oct 5, 2024 • 

Tapa

2

September 2024

Optical Conversion of CMOS <> Superconducting Signals

Potentially interesting for quantum computing, quantum sensors, digital superconducting logic and cryogenic electronics

Sep 10, 2024 • 

Tapa

6

July 2024

Aerially Separated Nuclear Aircraft

A (probably bad) way to overcome shielding requirements

Jul 6, 2024 • 

Tapa

April 2024

How Far Can Moore's Law Go?

A modern take on the age old question

Apr 7, 2024 • 

Tapa

5

2

March 2024

Nvidia's Margins May Be Safe

Why 90% margins on GPUs don't necessarily mean 90% margins on total cost of ownership.

Mar 15, 2024 • 

Tapa

3

December 2023

HyperX Topology for Photonic Wafer Scale Integration

Part of the Tapa's Random Ideas Series

Dec 17, 2023 • 

Tapa

3

Coming soon

This is Tapa’s Substack.

Dec 17, 2023 • 

Tapa