SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
BAADAYE YA KIJANI
REVERSE ENGINEERING
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Madini
Mipango 5 inapatikana
Miradi (5)
Using a Viking Sunstone — Navigating by Polarized Skylight with Iceland Spar
na Astro
Archeoastronomia
24
0
0
0
1
0
Preparing a Viking Sunstone — Selecting and Cleaving Optical Calcite for Navigation
na Astro
Bahari
24
0
0
0
1
0
Understanding Tantalum from Columbite-Tantalite — The Conflict Metal Inside Every Phone
na Peter
Uchimbaji madini
22
0
0
0
1
0
Maudhui hatari
Extracting Neodymium-Rich Rare Earth Oxide from Monazite — The Magnet Metal That Reshaped Technology
na Peter
Industry 2.0 — Electricity, Steel & Oil (1870)
16
0
0
0
5
0
Panning Gold from Alluvial Deposits — Gravity Separation of the Noble Metal
na Peter
Jedwali la Kipindi
30
0
0
0
0
0