Text Your Eyes? -- Mind Blow #55
- Ghent University has developed a contact lens that displays text but only to other people using LCD technology.
- LED lanterns that cause less than $10 uses gravity for power. After it pulls up a bag of stones for 3 seconds, the light will remain lit for half an hour!
- Digital pictures are made up of pixels. (rectangular grids of coloured cells) The smaller and closer together, the higher the quality and amount of data that needs to be compressed.