SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
MichoroTEKNOLOJIA
TEKNOLOJIA
Mipango 687 inapatikana • Vijamii 8
Vinjari Vijamii
Miradi (687)
Building a Methane Gas Leak Detector
na Ed
Vidhibiti vidogo
24
0
0
0
0
0
Building a Carbon Monoxide Detector
na Ed
Vidhibiti vidogo
47
0
0
0
0
0
Building an Ultrasonic Parking Sensor
na Ed
Vidhibiti vidogo
31
0
0
0
0
0
Making a Sound-Triggered LilyPad Patch
na Ed
Vidhibiti vidogo
19
0
0
0
0
0
Making a LilyPad Musical Patch
na Ed
Vidhibiti vidogo
23
0
0
0
0
0
Sewing a LilyPad Button Circuit
na Ed
LEDs
21
0
0
0
0
0
Sewing a LilyPad LED Circuit
na Ed
LEDs
25
0
0
0
0
0
Building a Hot Blast Stove — Preheating the Air That Tripled the Blast Furnace
na Tarkin
Kisasa
37
0
0
0
0
0
Casting Reinforced Concrete — Marrying Steel and Stone into the Modern Structure
na Balin
Kisasa
34
0
0
0
0
0
Building a Safety Bicycle — Chain Drive, Equal Wheels, and Personal Freedom
na Palpatine
Kisasa
45
0
0
0
0
0
Hatari
Distilling Coal Tar — Splitting Black Waste into the Chemical Industry
na Elrond
Kisasa
39
0
0
0
0
0
Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings
na Piett
Kisasa
32
0
0
0
0
0
Building a Macadam Road — Cheap, Dry Highways from Small Broken Stone
na Arwen
Kisasa
34
0
0
0
0
0
Building a Davy Safety Lamp — A Flame That Cannot Light the Firedamp
na Thranduil
Kisasa
29
0
0
0
0
0
Preserving Food by Canning — Appert's Heat-and-Seal Method That Fed Armies
na Bombur
Kisasa
31
0
0
0
0
0
Making Steel in a Bessemer Converter — Mass Steel by Blowing Air Through Iron
na Thrawn
Kisasa
36
0
0
0
1
0
Making Paper from Wood Pulp — The Groundwood Process That Made Paper Cheap
na Glorfindel
Kisasa
35
0
0
0
1
0
Building a Voltaic Pile — The First Battery and the Birth of Steady Electricity
na Gloin
Kisasa
29
0
0
0
2
0
Hatari
Making Friction Matches — Fire on the Strike of a Stick
na Vader
Kisasa
32
0
0
0
0
0
Building a Newcomen Atmospheric Engine — The First Engine to Do Real Work
na Dwalin
Kisasa
45
0
0
0
0
0