![A touch screen computer is seen in a digital classroom at the Microsoft stand at the CeBIT exhibition centre in Hannover February 28, 2010. The world's largest IT fair CeBIT opens its A touch screen computer is seen in a digital classroom at the Microsoft stand at the CeBIT exhibition centre in Hannover February 28, 2010. The world's largest IT fair CeBIT opens its](https://c8.alamy.com/comp/2GKNRKE/staff-sgt-james-willett-civil-engineer-squadron-emergency-communications-center-nco-in-charge-uses-the-touch-screen-computer-to-quickly-make-a-phone-call-june-8-2021-at-malmstrom-air-force-base-mont-willett-is-responsible-for-maintaining-equipment-and-programs-such-as-the-one-seen-here-to-keep-the-ecc-operational-2GKNRKE.jpg)
A touch screen computer is seen in a digital classroom at the Microsoft stand at the CeBIT exhibition centre in Hannover February 28, 2010. The world's largest IT fair CeBIT opens its
![Soil Biophysics Group Hannover on Twitter: "We had a great time hosting our @MadSoil colleague Alexander Fechner of @UniHalle in our lab this week, who analyzed the stability of artificially created #microaggregates. Soil Biophysics Group Hannover on Twitter: "We had a great time hosting our @MadSoil colleague Alexander Fechner of @UniHalle in our lab this week, who analyzed the stability of artificially created #microaggregates.](https://pbs.twimg.com/media/FLVFT0mWUAMgHlU.jpg:large)
Soil Biophysics Group Hannover on Twitter: "We had a great time hosting our @MadSoil colleague Alexander Fechner of @UniHalle in our lab this week, who analyzed the stability of artificially created #microaggregates.
![A touch screen computer is seen in a digital classroom at the Microsoft stand at the CeBIT exhibition centre in Hannover February 28, 2010. The world's largest IT fair CeBIT opens its A touch screen computer is seen in a digital classroom at the Microsoft stand at the CeBIT exhibition centre in Hannover February 28, 2010. The world's largest IT fair CeBIT opens its](https://c8.alamy.com/comp/2CKB67E/a-touch-screen-computer-is-seen-in-a-digital-classroom-at-the-microsoft-stand-at-the-cebit-exhibition-centre-in-hannover-february-28-2010-the-worlds-largest-it-fair-cebit-opens-its-doors-on-march-2-and-runs-through-march-6-reutersthomas-peter-germany-tags-sci-tech-business-education-2CKB67E.jpg)
A touch screen computer is seen in a digital classroom at the Microsoft stand at the CeBIT exhibition centre in Hannover February 28, 2010. The world's largest IT fair CeBIT opens its
![Buy Bunker Hill AFB "GBNF" - Men's/Unisex Lightweight Fitted T-Shirt at Wandering I Store for only $23.95 Buy Bunker Hill AFB "GBNF" - Men's/Unisex Lightweight Fitted T-Shirt at Wandering I Store for only $23.95](https://cdn.shopify.com/s/files/1/1531/6193/products/10210_7621_0_9e554612-10fc-4303-8215-5180f840f7bb.jpg?v=1649384705)