0) 43 can you use lasers for communication? (13-Oct-07)
1) 42 Can you use optical fibers for communication? (13-Oct-07)
2) 42 why is TV called television? (13-Oct-07)
3) 41 what are some examples of telecommunication? (13-Oct-07)
4) 40 what is the impact of using electricity for communication? (13-Oct-07)
5) 39 What is Leonardo Davinci's connection to flight? (13-Oct-07)
6) 38 who created the early designs of aeroplanes but did not build? (13-Oct-07)
7) 37 For howlong have humans been flying? (13-Oct-07)
8) 35 who produced lot of cars first and when? (13-Oct-07)
9) 36 who invented the aeroplane and when? (13-Oct-07)
10) 34 what are some uses of satelites? (13-Oct-07)
11) 33 what are satelites? (13-Oct-07)
12) 32 how does a telephone work? (13-Oct-07)
13) 31 What are some examples of using electricity for sending messages? (13-Oct-07)
14) 30. what are someways to send messages? (13-Oct-07)
15) 29 what is communication? (13-Oct-07)
16) 28 How can you use lasers to help heart attacks? (13-Oct-07)
17) 27 Can you use lasers to fix eyes? (13-Oct-07)
18) 26 what is a key hole surgery? (13-Oct-07)
19) 25 what are optical fibers used for? (13-Oct-07)
20) 24 what are lasers used for? (13-Oct-07)
21) 23 what is a laser? (13-Oct-07)
22) 22 what are optical fibers? (13-Oct-07)
23) 21. what do you use MRI for? (13-Oct-07)
24) 20 what does MRI stand for? (13-Oct-07)
25) 19 can you use x-rays to take pictures of soft tissue like blood vessels? (13-Oct-07)
26) 18 why do you need to take pictures of bones? (13-Oct-07)
27) 17 what do you use to take pictures of bones? (13-Oct-07)
28) 17 how do doctors use x-rays? (13-Oct-07)
29) 16 how can x-rays be harmful? (13-Oct-07)
30) 15 what do you use x-rays for? (13-Oct-07)
31) 14 who invented x-rays? (13-Oct-07)
32) 13 what are x-rays? (13-Oct-07)
33) 12 what are emissions? (13-Oct-07)
34) 11 how can fertilizers cause polution? (13-Oct-07)
35) 10. why do farmers use fertilizers? (13-Oct-07)
36) 09 what are insecticides? (13-Oct-07)
37) 08 what are pesticides? (13-Oct-07)
38) 07 what are some examples of how technology is used in food production? (13-Oct-07)
39) 06 Give an example of usage for polyurethene? (13-Oct-07)
40) 05 what is velcro? (13-Oct-07)
41) 04 what are some harmful affects of technology? (13-Oct-07)
42) 03 Give some example of how technology is useful? (13-Oct-07)