F-16XL 采用了标准的 F-16,为其配备了几乎两倍大小的扫掠式曲柄箭头三角翼,并将其变成了一架深度打击战斗机,飞行距离增加了 50%,携带的弹药也增加了一倍。 1984年输给了F-15E攻击鹰。只制造了两架——空军是否选择了更好的飞机是一个从未解决的争论。帖子只建造了两架。一架 SR-71 进行了翼尖对翼尖飞行,但 F-16XL 仍未投入使用,首次出现在 19FortyFive 上。
Starts With A Bang podcast #130 — the initial mass function of stars
收缩的气体云不仅会形成一颗恒星,还会形成一个具有不同质量的光谱。早期,这个范围有所不同。但为什么呢?继续阅读《爆炸开始!》 »
Affluent Trump officials may get richer with SpaceX IPO, among them-Steve Witkoff
SpaceX 因其计划中的首次公开募股规模空前,以及与政府和政府成员的密切关系而脱颖而出。此次首次公开募股预计最快将于下周进行,如果实现至少 1.8 万亿美元的目标估值,马斯克将成为世界上第一位万亿富翁。它还有望让几位公司内部人士和投资者成为亿万富翁,同时为员工创造数百万美元的财富。
Plane + Pilot Podcast: Ken Wittekiend
资深航空教育家和前考官讨论了一生的飞行指导。后飞机 + 飞行员播客:Ken Wittekiend 首先出现在飞机 + 飞行员上。
Withings Body Scan smart scale review: Premium health insights, premium price
Withings Body Scan 不是您的日常智能体重秤。当然,它可以跟踪您的体重和身体成分,但它还可以测量心电图,评估动脉的灵活性并检测脚部的神经活动。
本报告是基于以下个人的意见和分析的协作成果。在线查找相关报告,请访问 pewresearch.org/topic/family-relationships/parenthood/ Kim Parker,社会趋势研究总监Juliana Horowitz,高级副总监,研究 Rachel Minkin,高级研究员Luona Lin,研究员Jake Hays,研究员Kiley Hurst,研究分析师Dana Braga,研究分析师 Blen Wondimu,研究助理 Reem Nadeem,数字 [...]
The war with Iran is making oil changes pricier. And a deal won't solve it
美国可能是世界上最大的原油生产国,但机油却并非如此。润滑油的成本正在飙升,即使达成结束战争的临时协议也无法解决问题。
Technology is changing our perspective on nature – at every scale
受到 Ariel Waldman 的系列纪录片《Life Unearthed》的启发,专栏作家 Annalee Newitz 探讨了显微镜、无人机和专用相机如何从许多不同的角度为我们提供前所未有的自然景观
Another California refinery closure will threaten national and global economies
来自外国炼油厂的喷气燃料面临着保持加州机场开放的巨大后勤挑战。另一家加州炼油厂关闭将威胁国家和全球经济的帖子首先出现在 Watts Up With That? 上。
Not All Daily Temperature Records Are the Same
事实证明,为了在华盛顿西部获得真正的高温,大气需要以一种非常特殊的方式组织起来,通常是在低层有强烈的上层脊和近海定向气流。并非所有每日温度记录都相同的帖子首先出现在 Watts Up With That? 上。
Independent Power Market Analysis Confirms My Concerns About RGGI
这个结论是由专业电力市场经济学家使用严格的定量模拟得出的,验证了我通过历史和分析工作得出的核心论点。两条独立的调查线索——一条是经验性和叙述性的,一条是形式性和计算性的——都汇聚在同一个答案上。独立电力市场分析证实了我对 RGGI 的担忧,首先出现在 Watts Up With That? 上。
Britain Prioritizes War on Speech as the Economy Crumbles
英国关于言论自由和仇恨犯罪执法规则的争论在英国继续进行,关于警察如何处理涉嫌的种族主义虐待和仇恨事件,批评者认为,执法可能会冒着基于看法将言论定为刑事犯罪的风险,而...... pic.twitter.com/N5ZCS4hwcc - Washington Eye (@washington_EY) 2026年6月5日我多次说过,政府[...]
Dealing with Difficult Students: Turning Challenges into Opportunities
Every educator, whether in a physical classroom or online environment, has faced the uncomfortable reality of encountering difficult students. The term “difficult” can feel heavy, but in truth, most students don’t set out to cause disruption. Instead, challenges often emerge when students bring mism
Leading Together: How a Co-Designed Vision Anchors Staff and Beats Burnout
仔细观察几乎所有学区或学校的前台办公室,您都会发现一份框架精美的愿景声明。这些宣言通常充满鼓舞人心的流行语:“卓越”、“全球公民”、“协同”和“创新”。 Yet, if you walk down the hallways and ask classroom teachers what that vision means for their daily practice, you are often met with blank stares or polite shrugs.In traditional educational leadership models, the school vi
NPE Rates States for Support of Their Public Schools: 17 States Get an F! How Did Your State Rank?
公共教育网络是我与科学教师安东尼·科迪 (Anthony Cody) 在 2012-2013 年共同创立的,支持改善公立学校,反对学校教育公共资金私有化。美国近 90% 的儿童就读于公立学校。他们的学校应该配备合格的教师并提供充足的资金。 NPE works with […]
Heather Cox Richardson on Current Events
Heather Cox Richardson 介绍了一些与我之前的文章相同的内容,但内容更多。 Before noon on Saturday, June 13, Charles M. Floca, whom Trump installed at the head of the John F. Kennedy Center for the Performing Arts, certified to the court that “the Center and its Board have complied with the […]
Labour MPs urge Starmer to set targets to boost number of male teachers in England
Men and Boys group of MPs addresses ‘crisis of masculinity’ and joins campaign for longer paternity leaveGovernment ministers have been urged to set targets to boost the number of male teachers in England, as backbench MPs seek to capitalise on turbulence in the Labour party to influence government
My friend, tutor and mentor, Colin Williams, who has died aged 75, was an academic with a special focus on how politics and policies can shape the future of the world’s languages.As a Welshman he had a particular interest in the Welsh language, but his comparative work also took him well beyond his