• Sign in
  • Sign up 
  • Welcome
  • FAQ
  • Switch to Night Mode
  • Stolen Accounts Recovery 
  • Change Account Password 
  • Vote for Witnesses 
  • Steem Proposals 
  • Third-party exchanges:
  • Poloniex 
  • Advertise 
  • Jobs at Steemit 
  • Developer Portal 
  • Steem Bluepaper 
  • SMT Whitepaper 
  • Steem Whitepaper 
  • Privacy Policy
  • Terms of Service
Home
LoginSign up
You are viewing a single comment's thread from:

RE: Laser Technology: Understand How your DVD/CD Players, Laser printers, Holography and Bar-code Scanners works

  • View the full context
justinansako (52)in #steemstem • 7 years ago

Cool post bro.
I’m still waiting for a light saber

7 years ago in #steemstem by justinansako (52)
$0.00
    2 votes
    • + brex
    • + justinansako
    Reply 0