“@waitbutwhy By mass, Earth is composed of ~32% Iron. Next most common element by mass is oxygen at ~…”

“@Rainmaker1973 An amazing example of what implanted electrodes can do, even when there are only a fe…”

“@pmarca Haha he says “Bitcoin” so many times”

“Since I’ve been asked a lot: Buy stock in several companies that make products & services that *you*…”