YouTube description: Making a faster plane takes more than building better engines and structures. To go supersonic, engineers had to solve hundreds of problems -- including ditching one of the biggest... continue reading

posted by Aard Vark (oritteropo) 5 years 8 months 2 weeks ago • 537 views • 4:36

Dr James Grime and a handy trick for checking calculations. Ditch the nines...

posted by Mordhaus 7 years 6 months 1 week ago • 461 views • 8:04