Technology intro.

A flight into history

THE MESSERSCHMITT Me 262B-1a/U1: Wnr 110 305 `Red 8' at the South African National Museum of Military History Capt Tony Speir The German Messerschmitt Me 262 was the first operational jet aircraft to enter front line service on either side during the Second World War (1939 - 1945). The design work was initiated in 1939 with the first airframes being produced in 1941.

Accidental Global Aquatic Hitchhikers to be stopped dead by South African Invention

Ballast water stowaways are the ultimate accidental global tourists - aquatic organisms who start their day swimming in their home environment, get sucked up into the ballast tank of a passing ship, and 7-10 days later get dumped in a new environment, where they can become invasive species.

A Bridge for the Problem of Deaf Telephony

Consider making a telephone call to your mother. You pick up the phone, dial the number and talk to her about the weather, what you had for dinner, etc. Now imagine that you are one of the 4 million people in South Africa who are hearing impaired or Deaf. You are Deaf, cannot speak, but use sign language. Your mother is not Deaf. She can sign, too, but she lives on the other side of town, and you need to talk to her - now. You cannot simply pick up the phone and call Mom.
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