Hacker News on 25 July 2021

• Anna Kiesenhofer: Mathematician, amateur cyclist, Olympic champion
• Signal on Android: Images sent to wrong contacts
• Please, enough with the dead butterflies (2017)
• Introduction to open source private LTE and 5G networks
• Google results for PHP tutorials contain SQL injection vulnerabilities
• The Assange case is collapsing but it remains a travesty of justice
• The SaaS Org Chart
• Simulating worlds on the GPU: Four billion years in four minutes
• Finland provides housing and counseling to the homeless (2020)
• To H-E-Double-Hockey-Sticks with Facebook