Questions with the keyword 'invention'

• what type of electronics have you tried to create or improve? by anon-186918 to Laura Comments: (No comments so far )
• have you ever made anything and it came famous ? by anon-187220 to Miriam Comments: (No comments so far )
• Can humans make an artificial black hole? by anon-187813 to Miriam Comments: (No comments so far )
• what kind of electronic devices have you envented? by anon-187801 to Laura Comments: (No comments so far )