California is leading national preschool expansion, but quality lags, report says

California has expanded free transitional kindergarten to all 4-year-olds. But a new report says the state still needs to ...
GitHub

Beautiful math in all browsers

Note: MathJax code development is performed in the MathJax-src repository. This repository holds the packaged version of MathJax, along with the main issue tracker for MathJax bugs. MathJax is an open ...
IGN

All Challenges and Rewards

Map Challenges in THPS 3 + 4 challenge you to land tricks on certain gaps or to link them together in huge combos. Every map also has a “Gaps” challenge that’ll have you shredding over every gap in ...
IGN

Tony Hawk's Pro Skater 3 + 4 Guide

The College is the first level in the THPS4 part of Tony Hawk Pro Skater 3 + 4. In it, you’ll shred around campus, harassing officers and jocks while pulling off every trick you can. This walkthrough ...
IEEE

PV Module Energy Rating Standard IEC 61853-3 Intercomparison and Best Practice Guidelines for Implementation and Validation

Abstract: The IEC 61853 standard series aims to provide a standardized measure for photovoltaic (PV) module energy rating, namely the Climate Specific Energy Rating(CSER). For this purpose, it defines ...