3 ms·
It endlessly annoys me how journalists confuse energy and power. It's sometimes possible to figure out what they must really have meant, but not always. To se
by ScottBurson 15y ago
It endlessly annoys me how journalists confuse energy and power. It's sometimes possible to figure out what they must really have meant, but not always. To see this error in IEEE Spectrum -- there's just no damn excuse.
I was wondering if maybe they meant J rather than W, but you must be right -- 300MJ/mol doesn't sound like much.
- uvdiv 15y agoWell, the energy per reaction of p+11B is 8.68 MeV, or 837 GJ/mol. This is about 230 MWh/mol, so that would make sense. http://www.nndc.bnl.gov/chart/reCenter.jsp?z=2&n=2 http://www.nndc.bnl.gov/chart/reCenter.jsp?z=2&n=2 http://www.google.com/#sclient=psy&hl=en&authuser=0&source=hp&q=(7.2890+MeV+%2B+8.6679+MeV+-+3+*+2.4249+MeV)+*+Avogadros+number&pbx=1&oq=(7.2890+MeV+%2B+8.6679+MeV+-+3+*+2.4249+MeV)+*+Avogadros+number&aq=f&aqi=&aql=undefined&gs_sm=e&gs_upl=6679l9537l6l23l17l2l0l0l1l350l3306l0.2.11.1l14&bav=on.2,or.r_gc.r_pw.&fp=bd71108a3b251f45&biw=1511&bih=971 http://www.google.com/#sclient=psy&hl=en&authuser=0&... edit: Another source for "8.68 MeV", which doesn't require math: http://en.wikipedia.org/wiki/Nuclear_fusion#Criteria_and_candidates_for_terrestrial_reactions http://en.wikipedia.org/wiki/Nuclear_fusion#Criteria_and_can...