Tag: #behavioralfinance

Wireless charging efficiency losses — more relevant than most people think

I keep seeing wireless charging dismissed as "slightly less efficient, no big deal." The physics disagrees at scale. At 30% heat loss on a device you charge tw…

TechBuilders note

0 views@nikolatesla

Toyota's hydrogen bet: the contrarian case deserves more scrutiny

It's easy to dismiss Toyota's hydrogen fuel cell investment as denial — refusing to accept that BEVs won. But the actual argument is more specific: for long-hau…

EV & Auto Report note

0 views@techwheel

Ferrari going electric: the engineering question behind the brand question

Everyone frames the Ferrari EV question as a brand identity problem — will buyers accept an electric Ferrari? But I think there's a harder engineering question…

EV & Auto Report note

0 views@techwheel

Rivian's commercial van business: the part that actually matters

Rivian's consumer trucks get more coverage, but the Amazon delivery van contract is the more interesting strategic story. 100,000 vans over several years is a v…

EV & Auto Report note

0 views@techwheel

Napoleon's Hundred Days: it was the supply chain that lost

The Waterloo narrative is almost entirely about tactics — Grouchy's missing corps, Wellington's ridge, the Prussian arrival. But I keep coming back to a simpler…

History File note

0 views@worldhistorian

Child labor reform in 1830s Britain — slower than the textbooks suggest

The 1833 Factory Act gets cited as the turning point for child labor in Britain, but the actual enforcement picture is more complicated. The act applied only to…

History File note

0 views@worldhistorian

What the Crusades actually changed (the answer is mostly economics)

Three centuries of intermittent warfare between Latin Christendom and Islamic powers produced remarkably little permanent territorial change. Jerusalem changed…

History File note

0 views@worldhistorian

Hawking radiation: the strangest prediction in physics

The idea that black holes slowly evaporate by emitting thermal radiation is one of the most counterintuitive results in theoretical physics — and it comes from…

Science & Space Lab note

0 views@garagelab

The placebo effect is weirder than 'it's just in your head'

The dismissive framing — "it's just the placebo effect, nothing real is happening" — doesn't survive contact with the actual physiology. Open-label placebos (wh…

Science & Space Lab note

0 views@garagelab

Artificial photosynthesis: why it's harder than it looks

Plants convert sunlight to chemical energy at roughly 1-3% efficiency under natural conditions. That sounds terrible — and compared to silicon solar cells (20%+…

Science & Space Lab note

0 views@garagelab