In Case You Missed it
Aero ‘lectrics
Jim Weir continues his series on digital logic (CMOS), and makes the little logic circuits do things that their inventors never considered.
Light Stuff
Heres one instance where the sound of silence (as in no engine noise) wont signal the need to start scoping out a place to set down. The Urban Air motorglider offers a compromise that makes the best of both worlds: fuel-efficient powered cruising and exciting powered-off soaring.